| File: | src/gnu/usr.bin/clang/libclangSema/../../../llvm/clang/lib/Sema/SemaChecking.cpp |
| Warning: | line 16425, column 15 Called C++ object pointer is null |
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| 1 | //===- SemaChecking.cpp - Extra Semantic Checking -------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file implements extra semantic analysis beyond what is enforced |
| 10 | // by the C type system. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "clang/AST/APValue.h" |
| 15 | #include "clang/AST/ASTContext.h" |
| 16 | #include "clang/AST/Attr.h" |
| 17 | #include "clang/AST/AttrIterator.h" |
| 18 | #include "clang/AST/CharUnits.h" |
| 19 | #include "clang/AST/Decl.h" |
| 20 | #include "clang/AST/DeclBase.h" |
| 21 | #include "clang/AST/DeclCXX.h" |
| 22 | #include "clang/AST/DeclObjC.h" |
| 23 | #include "clang/AST/DeclarationName.h" |
| 24 | #include "clang/AST/EvaluatedExprVisitor.h" |
| 25 | #include "clang/AST/Expr.h" |
| 26 | #include "clang/AST/ExprCXX.h" |
| 27 | #include "clang/AST/ExprObjC.h" |
| 28 | #include "clang/AST/ExprOpenMP.h" |
| 29 | #include "clang/AST/FormatString.h" |
| 30 | #include "clang/AST/NSAPI.h" |
| 31 | #include "clang/AST/NonTrivialTypeVisitor.h" |
| 32 | #include "clang/AST/OperationKinds.h" |
| 33 | #include "clang/AST/RecordLayout.h" |
| 34 | #include "clang/AST/Stmt.h" |
| 35 | #include "clang/AST/TemplateBase.h" |
| 36 | #include "clang/AST/Type.h" |
| 37 | #include "clang/AST/TypeLoc.h" |
| 38 | #include "clang/AST/UnresolvedSet.h" |
| 39 | #include "clang/Basic/AddressSpaces.h" |
| 40 | #include "clang/Basic/CharInfo.h" |
| 41 | #include "clang/Basic/Diagnostic.h" |
| 42 | #include "clang/Basic/IdentifierTable.h" |
| 43 | #include "clang/Basic/LLVM.h" |
| 44 | #include "clang/Basic/LangOptions.h" |
| 45 | #include "clang/Basic/OpenCLOptions.h" |
| 46 | #include "clang/Basic/OperatorKinds.h" |
| 47 | #include "clang/Basic/PartialDiagnostic.h" |
| 48 | #include "clang/Basic/SourceLocation.h" |
| 49 | #include "clang/Basic/SourceManager.h" |
| 50 | #include "clang/Basic/Specifiers.h" |
| 51 | #include "clang/Basic/SyncScope.h" |
| 52 | #include "clang/Basic/TargetBuiltins.h" |
| 53 | #include "clang/Basic/TargetCXXABI.h" |
| 54 | #include "clang/Basic/TargetInfo.h" |
| 55 | #include "clang/Basic/TypeTraits.h" |
| 56 | #include "clang/Lex/Lexer.h" // TODO: Extract static functions to fix layering. |
| 57 | #include "clang/Sema/Initialization.h" |
| 58 | #include "clang/Sema/Lookup.h" |
| 59 | #include "clang/Sema/Ownership.h" |
| 60 | #include "clang/Sema/Scope.h" |
| 61 | #include "clang/Sema/ScopeInfo.h" |
| 62 | #include "clang/Sema/Sema.h" |
| 63 | #include "clang/Sema/SemaInternal.h" |
| 64 | #include "llvm/ADT/APFloat.h" |
| 65 | #include "llvm/ADT/APInt.h" |
| 66 | #include "llvm/ADT/APSInt.h" |
| 67 | #include "llvm/ADT/ArrayRef.h" |
| 68 | #include "llvm/ADT/DenseMap.h" |
| 69 | #include "llvm/ADT/FoldingSet.h" |
| 70 | #include "llvm/ADT/None.h" |
| 71 | #include "llvm/ADT/Optional.h" |
| 72 | #include "llvm/ADT/STLExtras.h" |
| 73 | #include "llvm/ADT/SmallBitVector.h" |
| 74 | #include "llvm/ADT/SmallPtrSet.h" |
| 75 | #include "llvm/ADT/SmallString.h" |
| 76 | #include "llvm/ADT/SmallVector.h" |
| 77 | #include "llvm/ADT/StringRef.h" |
| 78 | #include "llvm/ADT/StringSet.h" |
| 79 | #include "llvm/ADT/StringSwitch.h" |
| 80 | #include "llvm/ADT/Triple.h" |
| 81 | #include "llvm/Support/AtomicOrdering.h" |
| 82 | #include "llvm/Support/Casting.h" |
| 83 | #include "llvm/Support/Compiler.h" |
| 84 | #include "llvm/Support/ConvertUTF.h" |
| 85 | #include "llvm/Support/ErrorHandling.h" |
| 86 | #include "llvm/Support/Format.h" |
| 87 | #include "llvm/Support/Locale.h" |
| 88 | #include "llvm/Support/MathExtras.h" |
| 89 | #include "llvm/Support/SaveAndRestore.h" |
| 90 | #include "llvm/Support/raw_ostream.h" |
| 91 | #include <algorithm> |
| 92 | #include <bitset> |
| 93 | #include <cassert> |
| 94 | #include <cctype> |
| 95 | #include <cstddef> |
| 96 | #include <cstdint> |
| 97 | #include <functional> |
| 98 | #include <limits> |
| 99 | #include <string> |
| 100 | #include <tuple> |
| 101 | #include <utility> |
| 102 | |
| 103 | using namespace clang; |
| 104 | using namespace sema; |
| 105 | |
| 106 | SourceLocation Sema::getLocationOfStringLiteralByte(const StringLiteral *SL, |
| 107 | unsigned ByteNo) const { |
| 108 | return SL->getLocationOfByte(ByteNo, getSourceManager(), LangOpts, |
| 109 | Context.getTargetInfo()); |
| 110 | } |
| 111 | |
| 112 | /// Checks that a call expression's argument count is the desired number. |
| 113 | /// This is useful when doing custom type-checking. Returns true on error. |
| 114 | static bool checkArgCount(Sema &S, CallExpr *call, unsigned desiredArgCount) { |
| 115 | unsigned argCount = call->getNumArgs(); |
| 116 | if (argCount == desiredArgCount) return false; |
| 117 | |
| 118 | if (argCount < desiredArgCount) |
| 119 | return S.Diag(call->getEndLoc(), diag::err_typecheck_call_too_few_args) |
| 120 | << 0 /*function call*/ << desiredArgCount << argCount |
| 121 | << call->getSourceRange(); |
| 122 | |
| 123 | // Highlight all the excess arguments. |
| 124 | SourceRange range(call->getArg(desiredArgCount)->getBeginLoc(), |
| 125 | call->getArg(argCount - 1)->getEndLoc()); |
| 126 | |
| 127 | return S.Diag(range.getBegin(), diag::err_typecheck_call_too_many_args) |
| 128 | << 0 /*function call*/ << desiredArgCount << argCount |
| 129 | << call->getArg(1)->getSourceRange(); |
| 130 | } |
| 131 | |
| 132 | /// Check that the first argument to __builtin_annotation is an integer |
| 133 | /// and the second argument is a non-wide string literal. |
| 134 | static bool SemaBuiltinAnnotation(Sema &S, CallExpr *TheCall) { |
| 135 | if (checkArgCount(S, TheCall, 2)) |
| 136 | return true; |
| 137 | |
| 138 | // First argument should be an integer. |
| 139 | Expr *ValArg = TheCall->getArg(0); |
| 140 | QualType Ty = ValArg->getType(); |
| 141 | if (!Ty->isIntegerType()) { |
| 142 | S.Diag(ValArg->getBeginLoc(), diag::err_builtin_annotation_first_arg) |
| 143 | << ValArg->getSourceRange(); |
| 144 | return true; |
| 145 | } |
| 146 | |
| 147 | // Second argument should be a constant string. |
| 148 | Expr *StrArg = TheCall->getArg(1)->IgnoreParenCasts(); |
| 149 | StringLiteral *Literal = dyn_cast<StringLiteral>(StrArg); |
| 150 | if (!Literal || !Literal->isAscii()) { |
| 151 | S.Diag(StrArg->getBeginLoc(), diag::err_builtin_annotation_second_arg) |
| 152 | << StrArg->getSourceRange(); |
| 153 | return true; |
| 154 | } |
| 155 | |
| 156 | TheCall->setType(Ty); |
| 157 | return false; |
| 158 | } |
| 159 | |
| 160 | static bool SemaBuiltinMSVCAnnotation(Sema &S, CallExpr *TheCall) { |
| 161 | // We need at least one argument. |
| 162 | if (TheCall->getNumArgs() < 1) { |
| 163 | S.Diag(TheCall->getEndLoc(), diag::err_typecheck_call_too_few_args_at_least) |
| 164 | << 0 << 1 << TheCall->getNumArgs() |
| 165 | << TheCall->getCallee()->getSourceRange(); |
| 166 | return true; |
| 167 | } |
| 168 | |
| 169 | // All arguments should be wide string literals. |
| 170 | for (Expr *Arg : TheCall->arguments()) { |
| 171 | auto *Literal = dyn_cast<StringLiteral>(Arg->IgnoreParenCasts()); |
| 172 | if (!Literal || !Literal->isWide()) { |
| 173 | S.Diag(Arg->getBeginLoc(), diag::err_msvc_annotation_wide_str) |
| 174 | << Arg->getSourceRange(); |
| 175 | return true; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return false; |
| 180 | } |
| 181 | |
| 182 | /// Check that the argument to __builtin_addressof is a glvalue, and set the |
| 183 | /// result type to the corresponding pointer type. |
| 184 | static bool SemaBuiltinAddressof(Sema &S, CallExpr *TheCall) { |
| 185 | if (checkArgCount(S, TheCall, 1)) |
| 186 | return true; |
| 187 | |
| 188 | ExprResult Arg(TheCall->getArg(0)); |
| 189 | QualType ResultType = S.CheckAddressOfOperand(Arg, TheCall->getBeginLoc()); |
| 190 | if (ResultType.isNull()) |
| 191 | return true; |
| 192 | |
| 193 | TheCall->setArg(0, Arg.get()); |
| 194 | TheCall->setType(ResultType); |
| 195 | return false; |
| 196 | } |
| 197 | |
| 198 | /// Check the number of arguments and set the result type to |
| 199 | /// the argument type. |
| 200 | static bool SemaBuiltinPreserveAI(Sema &S, CallExpr *TheCall) { |
| 201 | if (checkArgCount(S, TheCall, 1)) |
| 202 | return true; |
| 203 | |
| 204 | TheCall->setType(TheCall->getArg(0)->getType()); |
| 205 | return false; |
| 206 | } |
| 207 | |
| 208 | /// Check that the value argument for __builtin_is_aligned(value, alignment) and |
| 209 | /// __builtin_aligned_{up,down}(value, alignment) is an integer or a pointer |
| 210 | /// type (but not a function pointer) and that the alignment is a power-of-two. |
| 211 | static bool SemaBuiltinAlignment(Sema &S, CallExpr *TheCall, unsigned ID) { |
| 212 | if (checkArgCount(S, TheCall, 2)) |
| 213 | return true; |
| 214 | |
| 215 | clang::Expr *Source = TheCall->getArg(0); |
| 216 | bool IsBooleanAlignBuiltin = ID == Builtin::BI__builtin_is_aligned; |
| 217 | |
| 218 | auto IsValidIntegerType = [](QualType Ty) { |
| 219 | return Ty->isIntegerType() && !Ty->isEnumeralType() && !Ty->isBooleanType(); |
| 220 | }; |
| 221 | QualType SrcTy = Source->getType(); |
| 222 | // We should also be able to use it with arrays (but not functions!). |
| 223 | if (SrcTy->canDecayToPointerType() && SrcTy->isArrayType()) { |
| 224 | SrcTy = S.Context.getDecayedType(SrcTy); |
| 225 | } |
| 226 | if ((!SrcTy->isPointerType() && !IsValidIntegerType(SrcTy)) || |
| 227 | SrcTy->isFunctionPointerType()) { |
| 228 | // FIXME: this is not quite the right error message since we don't allow |
| 229 | // floating point types, or member pointers. |
| 230 | S.Diag(Source->getExprLoc(), diag::err_typecheck_expect_scalar_operand) |
| 231 | << SrcTy; |
| 232 | return true; |
| 233 | } |
| 234 | |
| 235 | clang::Expr *AlignOp = TheCall->getArg(1); |
| 236 | if (!IsValidIntegerType(AlignOp->getType())) { |
| 237 | S.Diag(AlignOp->getExprLoc(), diag::err_typecheck_expect_int) |
| 238 | << AlignOp->getType(); |
| 239 | return true; |
| 240 | } |
| 241 | Expr::EvalResult AlignResult; |
| 242 | unsigned MaxAlignmentBits = S.Context.getIntWidth(SrcTy) - 1; |
| 243 | // We can't check validity of alignment if it is value dependent. |
| 244 | if (!AlignOp->isValueDependent() && |
| 245 | AlignOp->EvaluateAsInt(AlignResult, S.Context, |
| 246 | Expr::SE_AllowSideEffects)) { |
| 247 | llvm::APSInt AlignValue = AlignResult.Val.getInt(); |
| 248 | llvm::APSInt MaxValue( |
| 249 | llvm::APInt::getOneBitSet(MaxAlignmentBits + 1, MaxAlignmentBits)); |
| 250 | if (AlignValue < 1) { |
| 251 | S.Diag(AlignOp->getExprLoc(), diag::err_alignment_too_small) << 1; |
| 252 | return true; |
| 253 | } |
| 254 | if (llvm::APSInt::compareValues(AlignValue, MaxValue) > 0) { |
| 255 | S.Diag(AlignOp->getExprLoc(), diag::err_alignment_too_big) |
| 256 | << toString(MaxValue, 10); |
| 257 | return true; |
| 258 | } |
| 259 | if (!AlignValue.isPowerOf2()) { |
| 260 | S.Diag(AlignOp->getExprLoc(), diag::err_alignment_not_power_of_two); |
| 261 | return true; |
| 262 | } |
| 263 | if (AlignValue == 1) { |
| 264 | S.Diag(AlignOp->getExprLoc(), diag::warn_alignment_builtin_useless) |
| 265 | << IsBooleanAlignBuiltin; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | ExprResult SrcArg = S.PerformCopyInitialization( |
| 270 | InitializedEntity::InitializeParameter(S.Context, SrcTy, false), |
| 271 | SourceLocation(), Source); |
| 272 | if (SrcArg.isInvalid()) |
| 273 | return true; |
| 274 | TheCall->setArg(0, SrcArg.get()); |
| 275 | ExprResult AlignArg = |
| 276 | S.PerformCopyInitialization(InitializedEntity::InitializeParameter( |
| 277 | S.Context, AlignOp->getType(), false), |
| 278 | SourceLocation(), AlignOp); |
| 279 | if (AlignArg.isInvalid()) |
| 280 | return true; |
| 281 | TheCall->setArg(1, AlignArg.get()); |
| 282 | // For align_up/align_down, the return type is the same as the (potentially |
| 283 | // decayed) argument type including qualifiers. For is_aligned(), the result |
| 284 | // is always bool. |
| 285 | TheCall->setType(IsBooleanAlignBuiltin ? S.Context.BoolTy : SrcTy); |
| 286 | return false; |
| 287 | } |
| 288 | |
| 289 | static bool SemaBuiltinOverflow(Sema &S, CallExpr *TheCall, |
| 290 | unsigned BuiltinID) { |
| 291 | if (checkArgCount(S, TheCall, 3)) |
| 292 | return true; |
| 293 | |
| 294 | // First two arguments should be integers. |
| 295 | for (unsigned I = 0; I < 2; ++I) { |
| 296 | ExprResult Arg = S.DefaultFunctionArrayLvalueConversion(TheCall->getArg(I)); |
| 297 | if (Arg.isInvalid()) return true; |
| 298 | TheCall->setArg(I, Arg.get()); |
| 299 | |
| 300 | QualType Ty = Arg.get()->getType(); |
| 301 | if (!Ty->isIntegerType()) { |
| 302 | S.Diag(Arg.get()->getBeginLoc(), diag::err_overflow_builtin_must_be_int) |
| 303 | << Ty << Arg.get()->getSourceRange(); |
| 304 | return true; |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | // Third argument should be a pointer to a non-const integer. |
| 309 | // IRGen correctly handles volatile, restrict, and address spaces, and |
| 310 | // the other qualifiers aren't possible. |
| 311 | { |
| 312 | ExprResult Arg = S.DefaultFunctionArrayLvalueConversion(TheCall->getArg(2)); |
| 313 | if (Arg.isInvalid()) return true; |
| 314 | TheCall->setArg(2, Arg.get()); |
| 315 | |
| 316 | QualType Ty = Arg.get()->getType(); |
| 317 | const auto *PtrTy = Ty->getAs<PointerType>(); |
| 318 | if (!PtrTy || |
| 319 | !PtrTy->getPointeeType()->isIntegerType() || |
| 320 | PtrTy->getPointeeType().isConstQualified()) { |
| 321 | S.Diag(Arg.get()->getBeginLoc(), |
| 322 | diag::err_overflow_builtin_must_be_ptr_int) |
| 323 | << Ty << Arg.get()->getSourceRange(); |
| 324 | return true; |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | // Disallow signed ExtIntType args larger than 128 bits to mul function until |
| 329 | // we improve backend support. |
| 330 | if (BuiltinID == Builtin::BI__builtin_mul_overflow) { |
| 331 | for (unsigned I = 0; I < 3; ++I) { |
| 332 | const auto Arg = TheCall->getArg(I); |
| 333 | // Third argument will be a pointer. |
| 334 | auto Ty = I < 2 ? Arg->getType() : Arg->getType()->getPointeeType(); |
| 335 | if (Ty->isExtIntType() && Ty->isSignedIntegerType() && |
| 336 | S.getASTContext().getIntWidth(Ty) > 128) |
| 337 | return S.Diag(Arg->getBeginLoc(), |
| 338 | diag::err_overflow_builtin_ext_int_max_size) |
| 339 | << 128; |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | return false; |
| 344 | } |
| 345 | |
| 346 | static bool SemaBuiltinCallWithStaticChain(Sema &S, CallExpr *BuiltinCall) { |
| 347 | if (checkArgCount(S, BuiltinCall, 2)) |
| 348 | return true; |
| 349 | |
| 350 | SourceLocation BuiltinLoc = BuiltinCall->getBeginLoc(); |
| 351 | Expr *Builtin = BuiltinCall->getCallee()->IgnoreImpCasts(); |
| 352 | Expr *Call = BuiltinCall->getArg(0); |
| 353 | Expr *Chain = BuiltinCall->getArg(1); |
| 354 | |
| 355 | if (Call->getStmtClass() != Stmt::CallExprClass) { |
| 356 | S.Diag(BuiltinLoc, diag::err_first_argument_to_cwsc_not_call) |
| 357 | << Call->getSourceRange(); |
| 358 | return true; |
| 359 | } |
| 360 | |
| 361 | auto CE = cast<CallExpr>(Call); |
| 362 | if (CE->getCallee()->getType()->isBlockPointerType()) { |
| 363 | S.Diag(BuiltinLoc, diag::err_first_argument_to_cwsc_block_call) |
| 364 | << Call->getSourceRange(); |
| 365 | return true; |
| 366 | } |
| 367 | |
| 368 | const Decl *TargetDecl = CE->getCalleeDecl(); |
| 369 | if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(TargetDecl)) |
| 370 | if (FD->getBuiltinID()) { |
| 371 | S.Diag(BuiltinLoc, diag::err_first_argument_to_cwsc_builtin_call) |
| 372 | << Call->getSourceRange(); |
| 373 | return true; |
| 374 | } |
| 375 | |
| 376 | if (isa<CXXPseudoDestructorExpr>(CE->getCallee()->IgnoreParens())) { |
| 377 | S.Diag(BuiltinLoc, diag::err_first_argument_to_cwsc_pdtor_call) |
| 378 | << Call->getSourceRange(); |
| 379 | return true; |
| 380 | } |
| 381 | |
| 382 | ExprResult ChainResult = S.UsualUnaryConversions(Chain); |
| 383 | if (ChainResult.isInvalid()) |
| 384 | return true; |
| 385 | if (!ChainResult.get()->getType()->isPointerType()) { |
| 386 | S.Diag(BuiltinLoc, diag::err_second_argument_to_cwsc_not_pointer) |
| 387 | << Chain->getSourceRange(); |
| 388 | return true; |
| 389 | } |
| 390 | |
| 391 | QualType ReturnTy = CE->getCallReturnType(S.Context); |
| 392 | QualType ArgTys[2] = { ReturnTy, ChainResult.get()->getType() }; |
| 393 | QualType BuiltinTy = S.Context.getFunctionType( |
| 394 | ReturnTy, ArgTys, FunctionProtoType::ExtProtoInfo()); |
| 395 | QualType BuiltinPtrTy = S.Context.getPointerType(BuiltinTy); |
| 396 | |
| 397 | Builtin = |
| 398 | S.ImpCastExprToType(Builtin, BuiltinPtrTy, CK_BuiltinFnToFnPtr).get(); |
| 399 | |
| 400 | BuiltinCall->setType(CE->getType()); |
| 401 | BuiltinCall->setValueKind(CE->getValueKind()); |
| 402 | BuiltinCall->setObjectKind(CE->getObjectKind()); |
| 403 | BuiltinCall->setCallee(Builtin); |
| 404 | BuiltinCall->setArg(1, ChainResult.get()); |
| 405 | |
| 406 | return false; |
| 407 | } |
| 408 | |
| 409 | namespace { |
| 410 | |
| 411 | class EstimateSizeFormatHandler |
| 412 | : public analyze_format_string::FormatStringHandler { |
| 413 | size_t Size; |
| 414 | |
| 415 | public: |
| 416 | EstimateSizeFormatHandler(StringRef Format) |
| 417 | : Size(std::min(Format.find(0), Format.size()) + |
| 418 | 1 /* null byte always written by sprintf */) {} |
| 419 | |
| 420 | bool HandlePrintfSpecifier(const analyze_printf::PrintfSpecifier &FS, |
| 421 | const char *, unsigned SpecifierLen) override { |
| 422 | |
| 423 | const size_t FieldWidth = computeFieldWidth(FS); |
| 424 | const size_t Precision = computePrecision(FS); |
| 425 | |
| 426 | // The actual format. |
| 427 | switch (FS.getConversionSpecifier().getKind()) { |
| 428 | // Just a char. |
| 429 | case analyze_format_string::ConversionSpecifier::cArg: |
| 430 | case analyze_format_string::ConversionSpecifier::CArg: |
| 431 | Size += std::max(FieldWidth, (size_t)1); |
| 432 | break; |
| 433 | // Just an integer. |
| 434 | case analyze_format_string::ConversionSpecifier::dArg: |
| 435 | case analyze_format_string::ConversionSpecifier::DArg: |
| 436 | case analyze_format_string::ConversionSpecifier::iArg: |
| 437 | case analyze_format_string::ConversionSpecifier::oArg: |
| 438 | case analyze_format_string::ConversionSpecifier::OArg: |
| 439 | case analyze_format_string::ConversionSpecifier::uArg: |
| 440 | case analyze_format_string::ConversionSpecifier::UArg: |
| 441 | case analyze_format_string::ConversionSpecifier::xArg: |
| 442 | case analyze_format_string::ConversionSpecifier::XArg: |
| 443 | Size += std::max(FieldWidth, Precision); |
| 444 | break; |
| 445 | |
| 446 | // %g style conversion switches between %f or %e style dynamically. |
| 447 | // %f always takes less space, so default to it. |
| 448 | case analyze_format_string::ConversionSpecifier::gArg: |
| 449 | case analyze_format_string::ConversionSpecifier::GArg: |
| 450 | |
| 451 | // Floating point number in the form '[+]ddd.ddd'. |
| 452 | case analyze_format_string::ConversionSpecifier::fArg: |
| 453 | case analyze_format_string::ConversionSpecifier::FArg: |
| 454 | Size += std::max(FieldWidth, 1 /* integer part */ + |
| 455 | (Precision ? 1 + Precision |
| 456 | : 0) /* period + decimal */); |
| 457 | break; |
| 458 | |
| 459 | // Floating point number in the form '[-]d.ddde[+-]dd'. |
| 460 | case analyze_format_string::ConversionSpecifier::eArg: |
| 461 | case analyze_format_string::ConversionSpecifier::EArg: |
| 462 | Size += |
| 463 | std::max(FieldWidth, |
| 464 | 1 /* integer part */ + |
| 465 | (Precision ? 1 + Precision : 0) /* period + decimal */ + |
| 466 | 1 /* e or E letter */ + 2 /* exponent */); |
| 467 | break; |
| 468 | |
| 469 | // Floating point number in the form '[-]0xh.hhhhp±dd'. |
| 470 | case analyze_format_string::ConversionSpecifier::aArg: |
| 471 | case analyze_format_string::ConversionSpecifier::AArg: |
| 472 | Size += |
| 473 | std::max(FieldWidth, |
| 474 | 2 /* 0x */ + 1 /* integer part */ + |
| 475 | (Precision ? 1 + Precision : 0) /* period + decimal */ + |
| 476 | 1 /* p or P letter */ + 1 /* + or - */ + 1 /* value */); |
| 477 | break; |
| 478 | |
| 479 | // Just a string. |
| 480 | case analyze_format_string::ConversionSpecifier::sArg: |
| 481 | case analyze_format_string::ConversionSpecifier::SArg: |
| 482 | Size += FieldWidth; |
| 483 | break; |
| 484 | |
| 485 | // Just a pointer in the form '0xddd'. |
| 486 | case analyze_format_string::ConversionSpecifier::pArg: |
| 487 | Size += std::max(FieldWidth, 2 /* leading 0x */ + Precision); |
| 488 | break; |
| 489 | |
| 490 | // A plain percent. |
| 491 | case analyze_format_string::ConversionSpecifier::PercentArg: |
| 492 | Size += 1; |
| 493 | break; |
| 494 | |
| 495 | default: |
| 496 | break; |
| 497 | } |
| 498 | |
| 499 | Size += FS.hasPlusPrefix() || FS.hasSpacePrefix(); |
| 500 | |
| 501 | if (FS.hasAlternativeForm()) { |
| 502 | switch (FS.getConversionSpecifier().getKind()) { |
| 503 | default: |
| 504 | break; |
| 505 | // Force a leading '0'. |
| 506 | case analyze_format_string::ConversionSpecifier::oArg: |
| 507 | Size += 1; |
| 508 | break; |
| 509 | // Force a leading '0x'. |
| 510 | case analyze_format_string::ConversionSpecifier::xArg: |
| 511 | case analyze_format_string::ConversionSpecifier::XArg: |
| 512 | Size += 2; |
| 513 | break; |
| 514 | // Force a period '.' before decimal, even if precision is 0. |
| 515 | case analyze_format_string::ConversionSpecifier::aArg: |
| 516 | case analyze_format_string::ConversionSpecifier::AArg: |
| 517 | case analyze_format_string::ConversionSpecifier::eArg: |
| 518 | case analyze_format_string::ConversionSpecifier::EArg: |
| 519 | case analyze_format_string::ConversionSpecifier::fArg: |
| 520 | case analyze_format_string::ConversionSpecifier::FArg: |
| 521 | case analyze_format_string::ConversionSpecifier::gArg: |
| 522 | case analyze_format_string::ConversionSpecifier::GArg: |
| 523 | Size += (Precision ? 0 : 1); |
| 524 | break; |
| 525 | } |
| 526 | } |
| 527 | assert(SpecifierLen <= Size && "no underflow")((void)0); |
| 528 | Size -= SpecifierLen; |
| 529 | return true; |
| 530 | } |
| 531 | |
| 532 | size_t getSizeLowerBound() const { return Size; } |
| 533 | |
| 534 | private: |
| 535 | static size_t computeFieldWidth(const analyze_printf::PrintfSpecifier &FS) { |
| 536 | const analyze_format_string::OptionalAmount &FW = FS.getFieldWidth(); |
| 537 | size_t FieldWidth = 0; |
| 538 | if (FW.getHowSpecified() == analyze_format_string::OptionalAmount::Constant) |
| 539 | FieldWidth = FW.getConstantAmount(); |
| 540 | return FieldWidth; |
| 541 | } |
| 542 | |
| 543 | static size_t computePrecision(const analyze_printf::PrintfSpecifier &FS) { |
| 544 | const analyze_format_string::OptionalAmount &FW = FS.getPrecision(); |
| 545 | size_t Precision = 0; |
| 546 | |
| 547 | // See man 3 printf for default precision value based on the specifier. |
| 548 | switch (FW.getHowSpecified()) { |
| 549 | case analyze_format_string::OptionalAmount::NotSpecified: |
| 550 | switch (FS.getConversionSpecifier().getKind()) { |
| 551 | default: |
| 552 | break; |
| 553 | case analyze_format_string::ConversionSpecifier::dArg: // %d |
| 554 | case analyze_format_string::ConversionSpecifier::DArg: // %D |
| 555 | case analyze_format_string::ConversionSpecifier::iArg: // %i |
| 556 | Precision = 1; |
| 557 | break; |
| 558 | case analyze_format_string::ConversionSpecifier::oArg: // %d |
| 559 | case analyze_format_string::ConversionSpecifier::OArg: // %D |
| 560 | case analyze_format_string::ConversionSpecifier::uArg: // %d |
| 561 | case analyze_format_string::ConversionSpecifier::UArg: // %D |
| 562 | case analyze_format_string::ConversionSpecifier::xArg: // %d |
| 563 | case analyze_format_string::ConversionSpecifier::XArg: // %D |
| 564 | Precision = 1; |
| 565 | break; |
| 566 | case analyze_format_string::ConversionSpecifier::fArg: // %f |
| 567 | case analyze_format_string::ConversionSpecifier::FArg: // %F |
| 568 | case analyze_format_string::ConversionSpecifier::eArg: // %e |
| 569 | case analyze_format_string::ConversionSpecifier::EArg: // %E |
| 570 | case analyze_format_string::ConversionSpecifier::gArg: // %g |
| 571 | case analyze_format_string::ConversionSpecifier::GArg: // %G |
| 572 | Precision = 6; |
| 573 | break; |
| 574 | case analyze_format_string::ConversionSpecifier::pArg: // %d |
| 575 | Precision = 1; |
| 576 | break; |
| 577 | } |
| 578 | break; |
| 579 | case analyze_format_string::OptionalAmount::Constant: |
| 580 | Precision = FW.getConstantAmount(); |
| 581 | break; |
| 582 | default: |
| 583 | break; |
| 584 | } |
| 585 | return Precision; |
| 586 | } |
| 587 | }; |
| 588 | |
| 589 | } // namespace |
| 590 | |
| 591 | /// Check a call to BuiltinID for buffer overflows. If BuiltinID is a |
| 592 | /// __builtin_*_chk function, then use the object size argument specified in the |
| 593 | /// source. Otherwise, infer the object size using __builtin_object_size. |
| 594 | void Sema::checkFortifiedBuiltinMemoryFunction(FunctionDecl *FD, |
| 595 | CallExpr *TheCall) { |
| 596 | // FIXME: There are some more useful checks we could be doing here: |
| 597 | // - Evaluate strlen of strcpy arguments, use as object size. |
| 598 | |
| 599 | if (TheCall->isValueDependent() || TheCall->isTypeDependent() || |
| 600 | isConstantEvaluated()) |
| 601 | return; |
| 602 | |
| 603 | unsigned BuiltinID = FD->getBuiltinID(/*ConsiderWrappers=*/true); |
| 604 | if (!BuiltinID) |
| 605 | return; |
| 606 | |
| 607 | const TargetInfo &TI = getASTContext().getTargetInfo(); |
| 608 | unsigned SizeTypeWidth = TI.getTypeWidth(TI.getSizeType()); |
| 609 | |
| 610 | unsigned DiagID = 0; |
| 611 | bool IsChkVariant = false; |
| 612 | Optional<llvm::APSInt> UsedSize; |
| 613 | unsigned SizeIndex, ObjectIndex; |
| 614 | switch (BuiltinID) { |
| 615 | default: |
| 616 | return; |
| 617 | case Builtin::BIsprintf: |
| 618 | case Builtin::BI__builtin___sprintf_chk: { |
| 619 | size_t FormatIndex = BuiltinID == Builtin::BIsprintf ? 1 : 3; |
| 620 | auto *FormatExpr = TheCall->getArg(FormatIndex)->IgnoreParenImpCasts(); |
| 621 | |
| 622 | if (auto *Format = dyn_cast<StringLiteral>(FormatExpr)) { |
| 623 | |
| 624 | if (!Format->isAscii() && !Format->isUTF8()) |
| 625 | return; |
| 626 | |
| 627 | StringRef FormatStrRef = Format->getString(); |
| 628 | EstimateSizeFormatHandler H(FormatStrRef); |
| 629 | const char *FormatBytes = FormatStrRef.data(); |
| 630 | const ConstantArrayType *T = |
| 631 | Context.getAsConstantArrayType(Format->getType()); |
| 632 | assert(T && "String literal not of constant array type!")((void)0); |
| 633 | size_t TypeSize = T->getSize().getZExtValue(); |
| 634 | |
| 635 | // In case there's a null byte somewhere. |
| 636 | size_t StrLen = |
| 637 | std::min(std::max(TypeSize, size_t(1)) - 1, FormatStrRef.find(0)); |
| 638 | if (!analyze_format_string::ParsePrintfString( |
| 639 | H, FormatBytes, FormatBytes + StrLen, getLangOpts(), |
| 640 | Context.getTargetInfo(), false)) { |
| 641 | DiagID = diag::warn_fortify_source_format_overflow; |
| 642 | UsedSize = llvm::APSInt::getUnsigned(H.getSizeLowerBound()) |
| 643 | .extOrTrunc(SizeTypeWidth); |
| 644 | if (BuiltinID == Builtin::BI__builtin___sprintf_chk) { |
| 645 | IsChkVariant = true; |
| 646 | ObjectIndex = 2; |
| 647 | } else { |
| 648 | IsChkVariant = false; |
| 649 | ObjectIndex = 0; |
| 650 | } |
| 651 | break; |
| 652 | } |
| 653 | } |
| 654 | return; |
| 655 | } |
| 656 | case Builtin::BI__builtin___memcpy_chk: |
| 657 | case Builtin::BI__builtin___memmove_chk: |
| 658 | case Builtin::BI__builtin___memset_chk: |
| 659 | case Builtin::BI__builtin___strlcat_chk: |
| 660 | case Builtin::BI__builtin___strlcpy_chk: |
| 661 | case Builtin::BI__builtin___strncat_chk: |
| 662 | case Builtin::BI__builtin___strncpy_chk: |
| 663 | case Builtin::BI__builtin___stpncpy_chk: |
| 664 | case Builtin::BI__builtin___memccpy_chk: |
| 665 | case Builtin::BI__builtin___mempcpy_chk: { |
| 666 | DiagID = diag::warn_builtin_chk_overflow; |
| 667 | IsChkVariant = true; |
| 668 | SizeIndex = TheCall->getNumArgs() - 2; |
| 669 | ObjectIndex = TheCall->getNumArgs() - 1; |
| 670 | break; |
| 671 | } |
| 672 | |
| 673 | case Builtin::BI__builtin___snprintf_chk: |
| 674 | case Builtin::BI__builtin___vsnprintf_chk: { |
| 675 | DiagID = diag::warn_builtin_chk_overflow; |
| 676 | IsChkVariant = true; |
| 677 | SizeIndex = 1; |
| 678 | ObjectIndex = 3; |
| 679 | break; |
| 680 | } |
| 681 | |
| 682 | case Builtin::BIstrncat: |
| 683 | case Builtin::BI__builtin_strncat: |
| 684 | case Builtin::BIstrncpy: |
| 685 | case Builtin::BI__builtin_strncpy: |
| 686 | case Builtin::BIstpncpy: |
| 687 | case Builtin::BI__builtin_stpncpy: { |
| 688 | // Whether these functions overflow depends on the runtime strlen of the |
| 689 | // string, not just the buffer size, so emitting the "always overflow" |
| 690 | // diagnostic isn't quite right. We should still diagnose passing a buffer |
| 691 | // size larger than the destination buffer though; this is a runtime abort |
| 692 | // in _FORTIFY_SOURCE mode, and is quite suspicious otherwise. |
| 693 | DiagID = diag::warn_fortify_source_size_mismatch; |
| 694 | SizeIndex = TheCall->getNumArgs() - 1; |
| 695 | ObjectIndex = 0; |
| 696 | break; |
| 697 | } |
| 698 | |
| 699 | case Builtin::BImemcpy: |
| 700 | case Builtin::BI__builtin_memcpy: |
| 701 | case Builtin::BImemmove: |
| 702 | case Builtin::BI__builtin_memmove: |
| 703 | case Builtin::BImemset: |
| 704 | case Builtin::BI__builtin_memset: |
| 705 | case Builtin::BImempcpy: |
| 706 | case Builtin::BI__builtin_mempcpy: { |
| 707 | DiagID = diag::warn_fortify_source_overflow; |
| 708 | SizeIndex = TheCall->getNumArgs() - 1; |
| 709 | ObjectIndex = 0; |
| 710 | break; |
| 711 | } |
| 712 | case Builtin::BIsnprintf: |
| 713 | case Builtin::BI__builtin_snprintf: |
| 714 | case Builtin::BIvsnprintf: |
| 715 | case Builtin::BI__builtin_vsnprintf: { |
| 716 | DiagID = diag::warn_fortify_source_size_mismatch; |
| 717 | SizeIndex = 1; |
| 718 | ObjectIndex = 0; |
| 719 | break; |
| 720 | } |
| 721 | } |
| 722 | |
| 723 | llvm::APSInt ObjectSize; |
| 724 | // For __builtin___*_chk, the object size is explicitly provided by the caller |
| 725 | // (usually using __builtin_object_size). Use that value to check this call. |
| 726 | if (IsChkVariant) { |
| 727 | Expr::EvalResult Result; |
| 728 | Expr *SizeArg = TheCall->getArg(ObjectIndex); |
| 729 | if (!SizeArg->EvaluateAsInt(Result, getASTContext())) |
| 730 | return; |
| 731 | ObjectSize = Result.Val.getInt(); |
| 732 | |
| 733 | // Otherwise, try to evaluate an imaginary call to __builtin_object_size. |
| 734 | } else { |
| 735 | // If the parameter has a pass_object_size attribute, then we should use its |
| 736 | // (potentially) more strict checking mode. Otherwise, conservatively assume |
| 737 | // type 0. |
| 738 | int BOSType = 0; |
| 739 | if (const auto *POS = |
| 740 | FD->getParamDecl(ObjectIndex)->getAttr<PassObjectSizeAttr>()) |
| 741 | BOSType = POS->getType(); |
| 742 | |
| 743 | Expr *ObjArg = TheCall->getArg(ObjectIndex); |
| 744 | uint64_t Result; |
| 745 | if (!ObjArg->tryEvaluateObjectSize(Result, getASTContext(), BOSType)) |
| 746 | return; |
| 747 | // Get the object size in the target's size_t width. |
| 748 | ObjectSize = llvm::APSInt::getUnsigned(Result).extOrTrunc(SizeTypeWidth); |
| 749 | } |
| 750 | |
| 751 | // Evaluate the number of bytes of the object that this call will use. |
| 752 | if (!UsedSize) { |
| 753 | Expr::EvalResult Result; |
| 754 | Expr *UsedSizeArg = TheCall->getArg(SizeIndex); |
| 755 | if (!UsedSizeArg->EvaluateAsInt(Result, getASTContext())) |
| 756 | return; |
| 757 | UsedSize = Result.Val.getInt().extOrTrunc(SizeTypeWidth); |
| 758 | } |
| 759 | |
| 760 | if (UsedSize.getValue().ule(ObjectSize)) |
| 761 | return; |
| 762 | |
| 763 | StringRef FunctionName = getASTContext().BuiltinInfo.getName(BuiltinID); |
| 764 | // Skim off the details of whichever builtin was called to produce a better |
| 765 | // diagnostic, as it's unlikley that the user wrote the __builtin explicitly. |
| 766 | if (IsChkVariant) { |
| 767 | FunctionName = FunctionName.drop_front(std::strlen("__builtin___")); |
| 768 | FunctionName = FunctionName.drop_back(std::strlen("_chk")); |
| 769 | } else if (FunctionName.startswith("__builtin_")) { |
| 770 | FunctionName = FunctionName.drop_front(std::strlen("__builtin_")); |
| 771 | } |
| 772 | |
| 773 | DiagRuntimeBehavior(TheCall->getBeginLoc(), TheCall, |
| 774 | PDiag(DiagID) |
| 775 | << FunctionName << toString(ObjectSize, /*Radix=*/10) |
| 776 | << toString(UsedSize.getValue(), /*Radix=*/10)); |
| 777 | } |
| 778 | |
| 779 | static bool SemaBuiltinSEHScopeCheck(Sema &SemaRef, CallExpr *TheCall, |
| 780 | Scope::ScopeFlags NeededScopeFlags, |
| 781 | unsigned DiagID) { |
| 782 | // Scopes aren't available during instantiation. Fortunately, builtin |
| 783 | // functions cannot be template args so they cannot be formed through template |
| 784 | // instantiation. Therefore checking once during the parse is sufficient. |
| 785 | if (SemaRef.inTemplateInstantiation()) |
| 786 | return false; |
| 787 | |
| 788 | Scope *S = SemaRef.getCurScope(); |
| 789 | while (S && !S->isSEHExceptScope()) |
| 790 | S = S->getParent(); |
| 791 | if (!S || !(S->getFlags() & NeededScopeFlags)) { |
| 792 | auto *DRE = cast<DeclRefExpr>(TheCall->getCallee()->IgnoreParenCasts()); |
| 793 | SemaRef.Diag(TheCall->getExprLoc(), DiagID) |
| 794 | << DRE->getDecl()->getIdentifier(); |
| 795 | return true; |
| 796 | } |
| 797 | |
| 798 | return false; |
| 799 | } |
| 800 | |
| 801 | static inline bool isBlockPointer(Expr *Arg) { |
| 802 | return Arg->getType()->isBlockPointerType(); |
| 803 | } |
| 804 | |
| 805 | /// OpenCL C v2.0, s6.13.17.2 - Checks that the block parameters are all local |
| 806 | /// void*, which is a requirement of device side enqueue. |
| 807 | static bool checkOpenCLBlockArgs(Sema &S, Expr *BlockArg) { |
| 808 | const BlockPointerType *BPT = |
| 809 | cast<BlockPointerType>(BlockArg->getType().getCanonicalType()); |
| 810 | ArrayRef<QualType> Params = |
| 811 | BPT->getPointeeType()->castAs<FunctionProtoType>()->getParamTypes(); |
| 812 | unsigned ArgCounter = 0; |
| 813 | bool IllegalParams = false; |
| 814 | // Iterate through the block parameters until either one is found that is not |
| 815 | // a local void*, or the block is valid. |
| 816 | for (ArrayRef<QualType>::iterator I = Params.begin(), E = Params.end(); |
| 817 | I != E; ++I, ++ArgCounter) { |
| 818 | if (!(*I)->isPointerType() || !(*I)->getPointeeType()->isVoidType() || |
| 819 | (*I)->getPointeeType().getQualifiers().getAddressSpace() != |
| 820 | LangAS::opencl_local) { |
| 821 | // Get the location of the error. If a block literal has been passed |
| 822 | // (BlockExpr) then we can point straight to the offending argument, |
| 823 | // else we just point to the variable reference. |
| 824 | SourceLocation ErrorLoc; |
| 825 | if (isa<BlockExpr>(BlockArg)) { |
| 826 | BlockDecl *BD = cast<BlockExpr>(BlockArg)->getBlockDecl(); |
| 827 | ErrorLoc = BD->getParamDecl(ArgCounter)->getBeginLoc(); |
| 828 | } else if (isa<DeclRefExpr>(BlockArg)) { |
| 829 | ErrorLoc = cast<DeclRefExpr>(BlockArg)->getBeginLoc(); |
| 830 | } |
| 831 | S.Diag(ErrorLoc, |
| 832 | diag::err_opencl_enqueue_kernel_blocks_non_local_void_args); |
| 833 | IllegalParams = true; |
| 834 | } |
| 835 | } |
| 836 | |
| 837 | return IllegalParams; |
| 838 | } |
| 839 | |
| 840 | static bool checkOpenCLSubgroupExt(Sema &S, CallExpr *Call) { |
| 841 | if (!S.getOpenCLOptions().isSupported("cl_khr_subgroups", S.getLangOpts())) { |
| 842 | S.Diag(Call->getBeginLoc(), diag::err_opencl_requires_extension) |
| 843 | << 1 << Call->getDirectCallee() << "cl_khr_subgroups"; |
| 844 | return true; |
| 845 | } |
| 846 | return false; |
| 847 | } |
| 848 | |
| 849 | static bool SemaOpenCLBuiltinNDRangeAndBlock(Sema &S, CallExpr *TheCall) { |
| 850 | if (checkArgCount(S, TheCall, 2)) |
| 851 | return true; |
| 852 | |
| 853 | if (checkOpenCLSubgroupExt(S, TheCall)) |
| 854 | return true; |
| 855 | |
| 856 | // First argument is an ndrange_t type. |
| 857 | Expr *NDRangeArg = TheCall->getArg(0); |
| 858 | if (NDRangeArg->getType().getUnqualifiedType().getAsString() != "ndrange_t") { |
| 859 | S.Diag(NDRangeArg->getBeginLoc(), diag::err_opencl_builtin_expected_type) |
| 860 | << TheCall->getDirectCallee() << "'ndrange_t'"; |
| 861 | return true; |
| 862 | } |
| 863 | |
| 864 | Expr *BlockArg = TheCall->getArg(1); |
| 865 | if (!isBlockPointer(BlockArg)) { |
| 866 | S.Diag(BlockArg->getBeginLoc(), diag::err_opencl_builtin_expected_type) |
| 867 | << TheCall->getDirectCallee() << "block"; |
| 868 | return true; |
| 869 | } |
| 870 | return checkOpenCLBlockArgs(S, BlockArg); |
| 871 | } |
| 872 | |
| 873 | /// OpenCL C v2.0, s6.13.17.6 - Check the argument to the |
| 874 | /// get_kernel_work_group_size |
| 875 | /// and get_kernel_preferred_work_group_size_multiple builtin functions. |
| 876 | static bool SemaOpenCLBuiltinKernelWorkGroupSize(Sema &S, CallExpr *TheCall) { |
| 877 | if (checkArgCount(S, TheCall, 1)) |
| 878 | return true; |
| 879 | |
| 880 | Expr *BlockArg = TheCall->getArg(0); |
| 881 | if (!isBlockPointer(BlockArg)) { |
| 882 | S.Diag(BlockArg->getBeginLoc(), diag::err_opencl_builtin_expected_type) |
| 883 | << TheCall->getDirectCallee() << "block"; |
| 884 | return true; |
| 885 | } |
| 886 | return checkOpenCLBlockArgs(S, BlockArg); |
| 887 | } |
| 888 | |
| 889 | /// Diagnose integer type and any valid implicit conversion to it. |
| 890 | static bool checkOpenCLEnqueueIntType(Sema &S, Expr *E, |
| 891 | const QualType &IntType); |
| 892 | |
| 893 | static bool checkOpenCLEnqueueLocalSizeArgs(Sema &S, CallExpr *TheCall, |
| 894 | unsigned Start, unsigned End) { |
| 895 | bool IllegalParams = false; |
| 896 | for (unsigned I = Start; I <= End; ++I) |
| 897 | IllegalParams |= checkOpenCLEnqueueIntType(S, TheCall->getArg(I), |
| 898 | S.Context.getSizeType()); |
| 899 | return IllegalParams; |
| 900 | } |
| 901 | |
| 902 | /// OpenCL v2.0, s6.13.17.1 - Check that sizes are provided for all |
| 903 | /// 'local void*' parameter of passed block. |
| 904 | static bool checkOpenCLEnqueueVariadicArgs(Sema &S, CallExpr *TheCall, |
| 905 | Expr *BlockArg, |
| 906 | unsigned NumNonVarArgs) { |
| 907 | const BlockPointerType *BPT = |
| 908 | cast<BlockPointerType>(BlockArg->getType().getCanonicalType()); |
| 909 | unsigned NumBlockParams = |
| 910 | BPT->getPointeeType()->castAs<FunctionProtoType>()->getNumParams(); |
| 911 | unsigned TotalNumArgs = TheCall->getNumArgs(); |
| 912 | |
| 913 | // For each argument passed to the block, a corresponding uint needs to |
| 914 | // be passed to describe the size of the local memory. |
| 915 | if (TotalNumArgs != NumBlockParams + NumNonVarArgs) { |
| 916 | S.Diag(TheCall->getBeginLoc(), |
| 917 | diag::err_opencl_enqueue_kernel_local_size_args); |
| 918 | return true; |
| 919 | } |
| 920 | |
| 921 | // Check that the sizes of the local memory are specified by integers. |
| 922 | return checkOpenCLEnqueueLocalSizeArgs(S, TheCall, NumNonVarArgs, |
| 923 | TotalNumArgs - 1); |
| 924 | } |
| 925 | |
| 926 | /// OpenCL C v2.0, s6.13.17 - Enqueue kernel function contains four different |
| 927 | /// overload formats specified in Table 6.13.17.1. |
| 928 | /// int enqueue_kernel(queue_t queue, |
| 929 | /// kernel_enqueue_flags_t flags, |
| 930 | /// const ndrange_t ndrange, |
| 931 | /// void (^block)(void)) |
| 932 | /// int enqueue_kernel(queue_t queue, |
| 933 | /// kernel_enqueue_flags_t flags, |
| 934 | /// const ndrange_t ndrange, |
| 935 | /// uint num_events_in_wait_list, |
| 936 | /// clk_event_t *event_wait_list, |
| 937 | /// clk_event_t *event_ret, |
| 938 | /// void (^block)(void)) |
| 939 | /// int enqueue_kernel(queue_t queue, |
| 940 | /// kernel_enqueue_flags_t flags, |
| 941 | /// const ndrange_t ndrange, |
| 942 | /// void (^block)(local void*, ...), |
| 943 | /// uint size0, ...) |
| 944 | /// int enqueue_kernel(queue_t queue, |
| 945 | /// kernel_enqueue_flags_t flags, |
| 946 | /// const ndrange_t ndrange, |
| 947 | /// uint num_events_in_wait_list, |
| 948 | /// clk_event_t *event_wait_list, |
| 949 | /// clk_event_t *event_ret, |
| 950 | /// void (^block)(local void*, ...), |
| 951 | /// uint size0, ...) |
| 952 | static bool SemaOpenCLBuiltinEnqueueKernel(Sema &S, CallExpr *TheCall) { |
| 953 | unsigned NumArgs = TheCall->getNumArgs(); |
| 954 | |
| 955 | if (NumArgs < 4) { |
| 956 | S.Diag(TheCall->getBeginLoc(), |
| 957 | diag::err_typecheck_call_too_few_args_at_least) |
| 958 | << 0 << 4 << NumArgs; |
| 959 | return true; |
| 960 | } |
| 961 | |
| 962 | Expr *Arg0 = TheCall->getArg(0); |
| 963 | Expr *Arg1 = TheCall->getArg(1); |
| 964 | Expr *Arg2 = TheCall->getArg(2); |
| 965 | Expr *Arg3 = TheCall->getArg(3); |
| 966 | |
| 967 | // First argument always needs to be a queue_t type. |
| 968 | if (!Arg0->getType()->isQueueT()) { |
| 969 | S.Diag(TheCall->getArg(0)->getBeginLoc(), |
| 970 | diag::err_opencl_builtin_expected_type) |
| 971 | << TheCall->getDirectCallee() << S.Context.OCLQueueTy; |
| 972 | return true; |
| 973 | } |
| 974 | |
| 975 | // Second argument always needs to be a kernel_enqueue_flags_t enum value. |
| 976 | if (!Arg1->getType()->isIntegerType()) { |
| 977 | S.Diag(TheCall->getArg(1)->getBeginLoc(), |
| 978 | diag::err_opencl_builtin_expected_type) |
| 979 | << TheCall->getDirectCallee() << "'kernel_enqueue_flags_t' (i.e. uint)"; |
| 980 | return true; |
| 981 | } |
| 982 | |
| 983 | // Third argument is always an ndrange_t type. |
| 984 | if (Arg2->getType().getUnqualifiedType().getAsString() != "ndrange_t") { |
| 985 | S.Diag(TheCall->getArg(2)->getBeginLoc(), |
| 986 | diag::err_opencl_builtin_expected_type) |
| 987 | << TheCall->getDirectCallee() << "'ndrange_t'"; |
| 988 | return true; |
| 989 | } |
| 990 | |
| 991 | // With four arguments, there is only one form that the function could be |
| 992 | // called in: no events and no variable arguments. |
| 993 | if (NumArgs == 4) { |
| 994 | // check that the last argument is the right block type. |
| 995 | if (!isBlockPointer(Arg3)) { |
| 996 | S.Diag(Arg3->getBeginLoc(), diag::err_opencl_builtin_expected_type) |
| 997 | << TheCall->getDirectCallee() << "block"; |
| 998 | return true; |
| 999 | } |
| 1000 | // we have a block type, check the prototype |
| 1001 | const BlockPointerType *BPT = |
| 1002 | cast<BlockPointerType>(Arg3->getType().getCanonicalType()); |
| 1003 | if (BPT->getPointeeType()->castAs<FunctionProtoType>()->getNumParams() > 0) { |
| 1004 | S.Diag(Arg3->getBeginLoc(), |
| 1005 | diag::err_opencl_enqueue_kernel_blocks_no_args); |
| 1006 | return true; |
| 1007 | } |
| 1008 | return false; |
| 1009 | } |
| 1010 | // we can have block + varargs. |
| 1011 | if (isBlockPointer(Arg3)) |
| 1012 | return (checkOpenCLBlockArgs(S, Arg3) || |
| 1013 | checkOpenCLEnqueueVariadicArgs(S, TheCall, Arg3, 4)); |
| 1014 | // last two cases with either exactly 7 args or 7 args and varargs. |
| 1015 | if (NumArgs >= 7) { |
| 1016 | // check common block argument. |
| 1017 | Expr *Arg6 = TheCall->getArg(6); |
| 1018 | if (!isBlockPointer(Arg6)) { |
| 1019 | S.Diag(Arg6->getBeginLoc(), diag::err_opencl_builtin_expected_type) |
| 1020 | << TheCall->getDirectCallee() << "block"; |
| 1021 | return true; |
| 1022 | } |
| 1023 | if (checkOpenCLBlockArgs(S, Arg6)) |
| 1024 | return true; |
| 1025 | |
| 1026 | // Forth argument has to be any integer type. |
| 1027 | if (!Arg3->getType()->isIntegerType()) { |
| 1028 | S.Diag(TheCall->getArg(3)->getBeginLoc(), |
| 1029 | diag::err_opencl_builtin_expected_type) |
| 1030 | << TheCall->getDirectCallee() << "integer"; |
| 1031 | return true; |
| 1032 | } |
| 1033 | // check remaining common arguments. |
| 1034 | Expr *Arg4 = TheCall->getArg(4); |
| 1035 | Expr *Arg5 = TheCall->getArg(5); |
| 1036 | |
| 1037 | // Fifth argument is always passed as a pointer to clk_event_t. |
| 1038 | if (!Arg4->isNullPointerConstant(S.Context, |
| 1039 | Expr::NPC_ValueDependentIsNotNull) && |
| 1040 | !Arg4->getType()->getPointeeOrArrayElementType()->isClkEventT()) { |
| 1041 | S.Diag(TheCall->getArg(4)->getBeginLoc(), |
| 1042 | diag::err_opencl_builtin_expected_type) |
| 1043 | << TheCall->getDirectCallee() |
| 1044 | << S.Context.getPointerType(S.Context.OCLClkEventTy); |
| 1045 | return true; |
| 1046 | } |
| 1047 | |
| 1048 | // Sixth argument is always passed as a pointer to clk_event_t. |
| 1049 | if (!Arg5->isNullPointerConstant(S.Context, |
| 1050 | Expr::NPC_ValueDependentIsNotNull) && |
| 1051 | !(Arg5->getType()->isPointerType() && |
| 1052 | Arg5->getType()->getPointeeType()->isClkEventT())) { |
| 1053 | S.Diag(TheCall->getArg(5)->getBeginLoc(), |
| 1054 | diag::err_opencl_builtin_expected_type) |
| 1055 | << TheCall->getDirectCallee() |
| 1056 | << S.Context.getPointerType(S.Context.OCLClkEventTy); |
| 1057 | return true; |
| 1058 | } |
| 1059 | |
| 1060 | if (NumArgs == 7) |
| 1061 | return false; |
| 1062 | |
| 1063 | return checkOpenCLEnqueueVariadicArgs(S, TheCall, Arg6, 7); |
| 1064 | } |
| 1065 | |
| 1066 | // None of the specific case has been detected, give generic error |
| 1067 | S.Diag(TheCall->getBeginLoc(), |
| 1068 | diag::err_opencl_enqueue_kernel_incorrect_args); |
| 1069 | return true; |
| 1070 | } |
| 1071 | |
| 1072 | /// Returns OpenCL access qual. |
| 1073 | static OpenCLAccessAttr *getOpenCLArgAccess(const Decl *D) { |
| 1074 | return D->getAttr<OpenCLAccessAttr>(); |
| 1075 | } |
| 1076 | |
| 1077 | /// Returns true if pipe element type is different from the pointer. |
| 1078 | static bool checkOpenCLPipeArg(Sema &S, CallExpr *Call) { |
| 1079 | const Expr *Arg0 = Call->getArg(0); |
| 1080 | // First argument type should always be pipe. |
| 1081 | if (!Arg0->getType()->isPipeType()) { |
| 1082 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_pipe_first_arg) |
| 1083 | << Call->getDirectCallee() << Arg0->getSourceRange(); |
| 1084 | return true; |
| 1085 | } |
| 1086 | OpenCLAccessAttr *AccessQual = |
| 1087 | getOpenCLArgAccess(cast<DeclRefExpr>(Arg0)->getDecl()); |
| 1088 | // Validates the access qualifier is compatible with the call. |
| 1089 | // OpenCL v2.0 s6.13.16 - The access qualifiers for pipe should only be |
| 1090 | // read_only and write_only, and assumed to be read_only if no qualifier is |
| 1091 | // specified. |
| 1092 | switch (Call->getDirectCallee()->getBuiltinID()) { |
| 1093 | case Builtin::BIread_pipe: |
| 1094 | case Builtin::BIreserve_read_pipe: |
| 1095 | case Builtin::BIcommit_read_pipe: |
| 1096 | case Builtin::BIwork_group_reserve_read_pipe: |
| 1097 | case Builtin::BIsub_group_reserve_read_pipe: |
| 1098 | case Builtin::BIwork_group_commit_read_pipe: |
| 1099 | case Builtin::BIsub_group_commit_read_pipe: |
| 1100 | if (!(!AccessQual || AccessQual->isReadOnly())) { |
| 1101 | S.Diag(Arg0->getBeginLoc(), |
| 1102 | diag::err_opencl_builtin_pipe_invalid_access_modifier) |
| 1103 | << "read_only" << Arg0->getSourceRange(); |
| 1104 | return true; |
| 1105 | } |
| 1106 | break; |
| 1107 | case Builtin::BIwrite_pipe: |
| 1108 | case Builtin::BIreserve_write_pipe: |
| 1109 | case Builtin::BIcommit_write_pipe: |
| 1110 | case Builtin::BIwork_group_reserve_write_pipe: |
| 1111 | case Builtin::BIsub_group_reserve_write_pipe: |
| 1112 | case Builtin::BIwork_group_commit_write_pipe: |
| 1113 | case Builtin::BIsub_group_commit_write_pipe: |
| 1114 | if (!(AccessQual && AccessQual->isWriteOnly())) { |
| 1115 | S.Diag(Arg0->getBeginLoc(), |
| 1116 | diag::err_opencl_builtin_pipe_invalid_access_modifier) |
| 1117 | << "write_only" << Arg0->getSourceRange(); |
| 1118 | return true; |
| 1119 | } |
| 1120 | break; |
| 1121 | default: |
| 1122 | break; |
| 1123 | } |
| 1124 | return false; |
| 1125 | } |
| 1126 | |
| 1127 | /// Returns true if pipe element type is different from the pointer. |
| 1128 | static bool checkOpenCLPipePacketType(Sema &S, CallExpr *Call, unsigned Idx) { |
| 1129 | const Expr *Arg0 = Call->getArg(0); |
| 1130 | const Expr *ArgIdx = Call->getArg(Idx); |
| 1131 | const PipeType *PipeTy = cast<PipeType>(Arg0->getType()); |
| 1132 | const QualType EltTy = PipeTy->getElementType(); |
| 1133 | const PointerType *ArgTy = ArgIdx->getType()->getAs<PointerType>(); |
| 1134 | // The Idx argument should be a pointer and the type of the pointer and |
| 1135 | // the type of pipe element should also be the same. |
| 1136 | if (!ArgTy || |
| 1137 | !S.Context.hasSameType( |
| 1138 | EltTy, ArgTy->getPointeeType()->getCanonicalTypeInternal())) { |
| 1139 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_pipe_invalid_arg) |
| 1140 | << Call->getDirectCallee() << S.Context.getPointerType(EltTy) |
| 1141 | << ArgIdx->getType() << ArgIdx->getSourceRange(); |
| 1142 | return true; |
| 1143 | } |
| 1144 | return false; |
| 1145 | } |
| 1146 | |
| 1147 | // Performs semantic analysis for the read/write_pipe call. |
| 1148 | // \param S Reference to the semantic analyzer. |
| 1149 | // \param Call A pointer to the builtin call. |
| 1150 | // \return True if a semantic error has been found, false otherwise. |
| 1151 | static bool SemaBuiltinRWPipe(Sema &S, CallExpr *Call) { |
| 1152 | // OpenCL v2.0 s6.13.16.2 - The built-in read/write |
| 1153 | // functions have two forms. |
| 1154 | switch (Call->getNumArgs()) { |
| 1155 | case 2: |
| 1156 | if (checkOpenCLPipeArg(S, Call)) |
| 1157 | return true; |
| 1158 | // The call with 2 arguments should be |
| 1159 | // read/write_pipe(pipe T, T*). |
| 1160 | // Check packet type T. |
| 1161 | if (checkOpenCLPipePacketType(S, Call, 1)) |
| 1162 | return true; |
| 1163 | break; |
| 1164 | |
| 1165 | case 4: { |
| 1166 | if (checkOpenCLPipeArg(S, Call)) |
| 1167 | return true; |
| 1168 | // The call with 4 arguments should be |
| 1169 | // read/write_pipe(pipe T, reserve_id_t, uint, T*). |
| 1170 | // Check reserve_id_t. |
| 1171 | if (!Call->getArg(1)->getType()->isReserveIDT()) { |
| 1172 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_pipe_invalid_arg) |
| 1173 | << Call->getDirectCallee() << S.Context.OCLReserveIDTy |
| 1174 | << Call->getArg(1)->getType() << Call->getArg(1)->getSourceRange(); |
| 1175 | return true; |
| 1176 | } |
| 1177 | |
| 1178 | // Check the index. |
| 1179 | const Expr *Arg2 = Call->getArg(2); |
| 1180 | if (!Arg2->getType()->isIntegerType() && |
| 1181 | !Arg2->getType()->isUnsignedIntegerType()) { |
| 1182 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_pipe_invalid_arg) |
| 1183 | << Call->getDirectCallee() << S.Context.UnsignedIntTy |
| 1184 | << Arg2->getType() << Arg2->getSourceRange(); |
| 1185 | return true; |
| 1186 | } |
| 1187 | |
| 1188 | // Check packet type T. |
| 1189 | if (checkOpenCLPipePacketType(S, Call, 3)) |
| 1190 | return true; |
| 1191 | } break; |
| 1192 | default: |
| 1193 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_pipe_arg_num) |
| 1194 | << Call->getDirectCallee() << Call->getSourceRange(); |
| 1195 | return true; |
| 1196 | } |
| 1197 | |
| 1198 | return false; |
| 1199 | } |
| 1200 | |
| 1201 | // Performs a semantic analysis on the {work_group_/sub_group_ |
| 1202 | // /_}reserve_{read/write}_pipe |
| 1203 | // \param S Reference to the semantic analyzer. |
| 1204 | // \param Call The call to the builtin function to be analyzed. |
| 1205 | // \return True if a semantic error was found, false otherwise. |
| 1206 | static bool SemaBuiltinReserveRWPipe(Sema &S, CallExpr *Call) { |
| 1207 | if (checkArgCount(S, Call, 2)) |
| 1208 | return true; |
| 1209 | |
| 1210 | if (checkOpenCLPipeArg(S, Call)) |
| 1211 | return true; |
| 1212 | |
| 1213 | // Check the reserve size. |
| 1214 | if (!Call->getArg(1)->getType()->isIntegerType() && |
| 1215 | !Call->getArg(1)->getType()->isUnsignedIntegerType()) { |
| 1216 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_pipe_invalid_arg) |
| 1217 | << Call->getDirectCallee() << S.Context.UnsignedIntTy |
| 1218 | << Call->getArg(1)->getType() << Call->getArg(1)->getSourceRange(); |
| 1219 | return true; |
| 1220 | } |
| 1221 | |
| 1222 | // Since return type of reserve_read/write_pipe built-in function is |
| 1223 | // reserve_id_t, which is not defined in the builtin def file , we used int |
| 1224 | // as return type and need to override the return type of these functions. |
| 1225 | Call->setType(S.Context.OCLReserveIDTy); |
| 1226 | |
| 1227 | return false; |
| 1228 | } |
| 1229 | |
| 1230 | // Performs a semantic analysis on {work_group_/sub_group_ |
| 1231 | // /_}commit_{read/write}_pipe |
| 1232 | // \param S Reference to the semantic analyzer. |
| 1233 | // \param Call The call to the builtin function to be analyzed. |
| 1234 | // \return True if a semantic error was found, false otherwise. |
| 1235 | static bool SemaBuiltinCommitRWPipe(Sema &S, CallExpr *Call) { |
| 1236 | if (checkArgCount(S, Call, 2)) |
| 1237 | return true; |
| 1238 | |
| 1239 | if (checkOpenCLPipeArg(S, Call)) |
| 1240 | return true; |
| 1241 | |
| 1242 | // Check reserve_id_t. |
| 1243 | if (!Call->getArg(1)->getType()->isReserveIDT()) { |
| 1244 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_pipe_invalid_arg) |
| 1245 | << Call->getDirectCallee() << S.Context.OCLReserveIDTy |
| 1246 | << Call->getArg(1)->getType() << Call->getArg(1)->getSourceRange(); |
| 1247 | return true; |
| 1248 | } |
| 1249 | |
| 1250 | return false; |
| 1251 | } |
| 1252 | |
| 1253 | // Performs a semantic analysis on the call to built-in Pipe |
| 1254 | // Query Functions. |
| 1255 | // \param S Reference to the semantic analyzer. |
| 1256 | // \param Call The call to the builtin function to be analyzed. |
| 1257 | // \return True if a semantic error was found, false otherwise. |
| 1258 | static bool SemaBuiltinPipePackets(Sema &S, CallExpr *Call) { |
| 1259 | if (checkArgCount(S, Call, 1)) |
| 1260 | return true; |
| 1261 | |
| 1262 | if (!Call->getArg(0)->getType()->isPipeType()) { |
| 1263 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_pipe_first_arg) |
| 1264 | << Call->getDirectCallee() << Call->getArg(0)->getSourceRange(); |
| 1265 | return true; |
| 1266 | } |
| 1267 | |
| 1268 | return false; |
| 1269 | } |
| 1270 | |
| 1271 | // OpenCL v2.0 s6.13.9 - Address space qualifier functions. |
| 1272 | // Performs semantic analysis for the to_global/local/private call. |
| 1273 | // \param S Reference to the semantic analyzer. |
| 1274 | // \param BuiltinID ID of the builtin function. |
| 1275 | // \param Call A pointer to the builtin call. |
| 1276 | // \return True if a semantic error has been found, false otherwise. |
| 1277 | static bool SemaOpenCLBuiltinToAddr(Sema &S, unsigned BuiltinID, |
| 1278 | CallExpr *Call) { |
| 1279 | if (checkArgCount(S, Call, 1)) |
| 1280 | return true; |
| 1281 | |
| 1282 | auto RT = Call->getArg(0)->getType(); |
| 1283 | if (!RT->isPointerType() || RT->getPointeeType() |
| 1284 | .getAddressSpace() == LangAS::opencl_constant) { |
| 1285 | S.Diag(Call->getBeginLoc(), diag::err_opencl_builtin_to_addr_invalid_arg) |
| 1286 | << Call->getArg(0) << Call->getDirectCallee() << Call->getSourceRange(); |
| 1287 | return true; |
| 1288 | } |
| 1289 | |
| 1290 | if (RT->getPointeeType().getAddressSpace() != LangAS::opencl_generic) { |
| 1291 | S.Diag(Call->getArg(0)->getBeginLoc(), |
| 1292 | diag::warn_opencl_generic_address_space_arg) |
| 1293 | << Call->getDirectCallee()->getNameInfo().getAsString() |
| 1294 | << Call->getArg(0)->getSourceRange(); |
| 1295 | } |
| 1296 | |
| 1297 | RT = RT->getPointeeType(); |
| 1298 | auto Qual = RT.getQualifiers(); |
| 1299 | switch (BuiltinID) { |
| 1300 | case Builtin::BIto_global: |
| 1301 | Qual.setAddressSpace(LangAS::opencl_global); |
| 1302 | break; |
| 1303 | case Builtin::BIto_local: |
| 1304 | Qual.setAddressSpace(LangAS::opencl_local); |
| 1305 | break; |
| 1306 | case Builtin::BIto_private: |
| 1307 | Qual.setAddressSpace(LangAS::opencl_private); |
| 1308 | break; |
| 1309 | default: |
| 1310 | llvm_unreachable("Invalid builtin function")__builtin_unreachable(); |
| 1311 | } |
| 1312 | Call->setType(S.Context.getPointerType(S.Context.getQualifiedType( |
| 1313 | RT.getUnqualifiedType(), Qual))); |
| 1314 | |
| 1315 | return false; |
| 1316 | } |
| 1317 | |
| 1318 | static ExprResult SemaBuiltinLaunder(Sema &S, CallExpr *TheCall) { |
| 1319 | if (checkArgCount(S, TheCall, 1)) |
| 1320 | return ExprError(); |
| 1321 | |
| 1322 | // Compute __builtin_launder's parameter type from the argument. |
| 1323 | // The parameter type is: |
| 1324 | // * The type of the argument if it's not an array or function type, |
| 1325 | // Otherwise, |
| 1326 | // * The decayed argument type. |
| 1327 | QualType ParamTy = [&]() { |
| 1328 | QualType ArgTy = TheCall->getArg(0)->getType(); |
| 1329 | if (const ArrayType *Ty = ArgTy->getAsArrayTypeUnsafe()) |
| 1330 | return S.Context.getPointerType(Ty->getElementType()); |
| 1331 | if (ArgTy->isFunctionType()) { |
| 1332 | return S.Context.getPointerType(ArgTy); |
| 1333 | } |
| 1334 | return ArgTy; |
| 1335 | }(); |
| 1336 | |
| 1337 | TheCall->setType(ParamTy); |
| 1338 | |
| 1339 | auto DiagSelect = [&]() -> llvm::Optional<unsigned> { |
| 1340 | if (!ParamTy->isPointerType()) |
| 1341 | return 0; |
| 1342 | if (ParamTy->isFunctionPointerType()) |
| 1343 | return 1; |
| 1344 | if (ParamTy->isVoidPointerType()) |
| 1345 | return 2; |
| 1346 | return llvm::Optional<unsigned>{}; |
| 1347 | }(); |
| 1348 | if (DiagSelect.hasValue()) { |
| 1349 | S.Diag(TheCall->getBeginLoc(), diag::err_builtin_launder_invalid_arg) |
| 1350 | << DiagSelect.getValue() << TheCall->getSourceRange(); |
| 1351 | return ExprError(); |
| 1352 | } |
| 1353 | |
| 1354 | // We either have an incomplete class type, or we have a class template |
| 1355 | // whose instantiation has not been forced. Example: |
| 1356 | // |
| 1357 | // template <class T> struct Foo { T value; }; |
| 1358 | // Foo<int> *p = nullptr; |
| 1359 | // auto *d = __builtin_launder(p); |
| 1360 | if (S.RequireCompleteType(TheCall->getBeginLoc(), ParamTy->getPointeeType(), |
| 1361 | diag::err_incomplete_type)) |
| 1362 | return ExprError(); |
| 1363 | |
| 1364 | assert(ParamTy->getPointeeType()->isObjectType() &&((void)0) |
| 1365 | "Unhandled non-object pointer case")((void)0); |
| 1366 | |
| 1367 | InitializedEntity Entity = |
| 1368 | InitializedEntity::InitializeParameter(S.Context, ParamTy, false); |
| 1369 | ExprResult Arg = |
| 1370 | S.PerformCopyInitialization(Entity, SourceLocation(), TheCall->getArg(0)); |
| 1371 | if (Arg.isInvalid()) |
| 1372 | return ExprError(); |
| 1373 | TheCall->setArg(0, Arg.get()); |
| 1374 | |
| 1375 | return TheCall; |
| 1376 | } |
| 1377 | |
| 1378 | // Emit an error and return true if the current architecture is not in the list |
| 1379 | // of supported architectures. |
| 1380 | static bool |
| 1381 | CheckBuiltinTargetSupport(Sema &S, unsigned BuiltinID, CallExpr *TheCall, |
| 1382 | ArrayRef<llvm::Triple::ArchType> SupportedArchs) { |
| 1383 | llvm::Triple::ArchType CurArch = |
| 1384 | S.getASTContext().getTargetInfo().getTriple().getArch(); |
| 1385 | if (llvm::is_contained(SupportedArchs, CurArch)) |
| 1386 | return false; |
| 1387 | S.Diag(TheCall->getBeginLoc(), diag::err_builtin_target_unsupported) |
| 1388 | << TheCall->getSourceRange(); |
| 1389 | return true; |
| 1390 | } |
| 1391 | |
| 1392 | static void CheckNonNullArgument(Sema &S, const Expr *ArgExpr, |
| 1393 | SourceLocation CallSiteLoc); |
| 1394 | |
| 1395 | bool Sema::CheckTSBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
| 1396 | CallExpr *TheCall) { |
| 1397 | switch (TI.getTriple().getArch()) { |
| 1398 | default: |
| 1399 | // Some builtins don't require additional checking, so just consider these |
| 1400 | // acceptable. |
| 1401 | return false; |
| 1402 | case llvm::Triple::arm: |
| 1403 | case llvm::Triple::armeb: |
| 1404 | case llvm::Triple::thumb: |
| 1405 | case llvm::Triple::thumbeb: |
| 1406 | return CheckARMBuiltinFunctionCall(TI, BuiltinID, TheCall); |
| 1407 | case llvm::Triple::aarch64: |
| 1408 | case llvm::Triple::aarch64_32: |
| 1409 | case llvm::Triple::aarch64_be: |
| 1410 | return CheckAArch64BuiltinFunctionCall(TI, BuiltinID, TheCall); |
| 1411 | case llvm::Triple::bpfeb: |
| 1412 | case llvm::Triple::bpfel: |
| 1413 | return CheckBPFBuiltinFunctionCall(BuiltinID, TheCall); |
| 1414 | case llvm::Triple::hexagon: |
| 1415 | return CheckHexagonBuiltinFunctionCall(BuiltinID, TheCall); |
| 1416 | case llvm::Triple::mips: |
| 1417 | case llvm::Triple::mipsel: |
| 1418 | case llvm::Triple::mips64: |
| 1419 | case llvm::Triple::mips64el: |
| 1420 | return CheckMipsBuiltinFunctionCall(TI, BuiltinID, TheCall); |
| 1421 | case llvm::Triple::systemz: |
| 1422 | return CheckSystemZBuiltinFunctionCall(BuiltinID, TheCall); |
| 1423 | case llvm::Triple::x86: |
| 1424 | case llvm::Triple::x86_64: |
| 1425 | return CheckX86BuiltinFunctionCall(TI, BuiltinID, TheCall); |
| 1426 | case llvm::Triple::ppc: |
| 1427 | case llvm::Triple::ppcle: |
| 1428 | case llvm::Triple::ppc64: |
| 1429 | case llvm::Triple::ppc64le: |
| 1430 | return CheckPPCBuiltinFunctionCall(TI, BuiltinID, TheCall); |
| 1431 | case llvm::Triple::amdgcn: |
| 1432 | return CheckAMDGCNBuiltinFunctionCall(BuiltinID, TheCall); |
| 1433 | case llvm::Triple::riscv32: |
| 1434 | case llvm::Triple::riscv64: |
| 1435 | return CheckRISCVBuiltinFunctionCall(TI, BuiltinID, TheCall); |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | ExprResult |
| 1440 | Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl, unsigned BuiltinID, |
| 1441 | CallExpr *TheCall) { |
| 1442 | ExprResult TheCallResult(TheCall); |
| 1443 | |
| 1444 | // Find out if any arguments are required to be integer constant expressions. |
| 1445 | unsigned ICEArguments = 0; |
| 1446 | ASTContext::GetBuiltinTypeError Error; |
| 1447 | Context.GetBuiltinType(BuiltinID, Error, &ICEArguments); |
| 1448 | if (Error != ASTContext::GE_None) |
| 1449 | ICEArguments = 0; // Don't diagnose previously diagnosed errors. |
| 1450 | |
| 1451 | // If any arguments are required to be ICE's, check and diagnose. |
| 1452 | for (unsigned ArgNo = 0; ICEArguments != 0; ++ArgNo) { |
| 1453 | // Skip arguments not required to be ICE's. |
| 1454 | if ((ICEArguments & (1 << ArgNo)) == 0) continue; |
| 1455 | |
| 1456 | llvm::APSInt Result; |
| 1457 | if (SemaBuiltinConstantArg(TheCall, ArgNo, Result)) |
| 1458 | return true; |
| 1459 | ICEArguments &= ~(1 << ArgNo); |
| 1460 | } |
| 1461 | |
| 1462 | switch (BuiltinID) { |
| 1463 | case Builtin::BI__builtin___CFStringMakeConstantString: |
| 1464 | assert(TheCall->getNumArgs() == 1 &&((void)0) |
| 1465 | "Wrong # arguments to builtin CFStringMakeConstantString")((void)0); |
| 1466 | if (CheckObjCString(TheCall->getArg(0))) |
| 1467 | return ExprError(); |
| 1468 | break; |
| 1469 | case Builtin::BI__builtin_ms_va_start: |
| 1470 | case Builtin::BI__builtin_stdarg_start: |
| 1471 | case Builtin::BI__builtin_va_start: |
| 1472 | if (SemaBuiltinVAStart(BuiltinID, TheCall)) |
| 1473 | return ExprError(); |
| 1474 | break; |
| 1475 | case Builtin::BI__va_start: { |
| 1476 | switch (Context.getTargetInfo().getTriple().getArch()) { |
| 1477 | case llvm::Triple::aarch64: |
| 1478 | case llvm::Triple::arm: |
| 1479 | case llvm::Triple::thumb: |
| 1480 | if (SemaBuiltinVAStartARMMicrosoft(TheCall)) |
| 1481 | return ExprError(); |
| 1482 | break; |
| 1483 | default: |
| 1484 | if (SemaBuiltinVAStart(BuiltinID, TheCall)) |
| 1485 | return ExprError(); |
| 1486 | break; |
| 1487 | } |
| 1488 | break; |
| 1489 | } |
| 1490 | |
| 1491 | // The acquire, release, and no fence variants are ARM and AArch64 only. |
| 1492 | case Builtin::BI_interlockedbittestandset_acq: |
| 1493 | case Builtin::BI_interlockedbittestandset_rel: |
| 1494 | case Builtin::BI_interlockedbittestandset_nf: |
| 1495 | case Builtin::BI_interlockedbittestandreset_acq: |
| 1496 | case Builtin::BI_interlockedbittestandreset_rel: |
| 1497 | case Builtin::BI_interlockedbittestandreset_nf: |
| 1498 | if (CheckBuiltinTargetSupport( |
| 1499 | *this, BuiltinID, TheCall, |
| 1500 | {llvm::Triple::arm, llvm::Triple::thumb, llvm::Triple::aarch64})) |
| 1501 | return ExprError(); |
| 1502 | break; |
| 1503 | |
| 1504 | // The 64-bit bittest variants are x64, ARM, and AArch64 only. |
| 1505 | case Builtin::BI_bittest64: |
| 1506 | case Builtin::BI_bittestandcomplement64: |
| 1507 | case Builtin::BI_bittestandreset64: |
| 1508 | case Builtin::BI_bittestandset64: |
| 1509 | case Builtin::BI_interlockedbittestandreset64: |
| 1510 | case Builtin::BI_interlockedbittestandset64: |
| 1511 | if (CheckBuiltinTargetSupport(*this, BuiltinID, TheCall, |
| 1512 | {llvm::Triple::x86_64, llvm::Triple::arm, |
| 1513 | llvm::Triple::thumb, llvm::Triple::aarch64})) |
| 1514 | return ExprError(); |
| 1515 | break; |
| 1516 | |
| 1517 | case Builtin::BI__builtin_isgreater: |
| 1518 | case Builtin::BI__builtin_isgreaterequal: |
| 1519 | case Builtin::BI__builtin_isless: |
| 1520 | case Builtin::BI__builtin_islessequal: |
| 1521 | case Builtin::BI__builtin_islessgreater: |
| 1522 | case Builtin::BI__builtin_isunordered: |
| 1523 | if (SemaBuiltinUnorderedCompare(TheCall)) |
| 1524 | return ExprError(); |
| 1525 | break; |
| 1526 | case Builtin::BI__builtin_fpclassify: |
| 1527 | if (SemaBuiltinFPClassification(TheCall, 6)) |
| 1528 | return ExprError(); |
| 1529 | break; |
| 1530 | case Builtin::BI__builtin_isfinite: |
| 1531 | case Builtin::BI__builtin_isinf: |
| 1532 | case Builtin::BI__builtin_isinf_sign: |
| 1533 | case Builtin::BI__builtin_isnan: |
| 1534 | case Builtin::BI__builtin_isnormal: |
| 1535 | case Builtin::BI__builtin_signbit: |
| 1536 | case Builtin::BI__builtin_signbitf: |
| 1537 | case Builtin::BI__builtin_signbitl: |
| 1538 | if (SemaBuiltinFPClassification(TheCall, 1)) |
| 1539 | return ExprError(); |
| 1540 | break; |
| 1541 | case Builtin::BI__builtin_shufflevector: |
| 1542 | return SemaBuiltinShuffleVector(TheCall); |
| 1543 | // TheCall will be freed by the smart pointer here, but that's fine, since |
| 1544 | // SemaBuiltinShuffleVector guts it, but then doesn't release it. |
| 1545 | case Builtin::BI__builtin_prefetch: |
| 1546 | if (SemaBuiltinPrefetch(TheCall)) |
| 1547 | return ExprError(); |
| 1548 | break; |
| 1549 | case Builtin::BI__builtin_alloca_with_align: |
| 1550 | if (SemaBuiltinAllocaWithAlign(TheCall)) |
| 1551 | return ExprError(); |
| 1552 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
| 1553 | case Builtin::BI__builtin_alloca: |
| 1554 | Diag(TheCall->getBeginLoc(), diag::warn_alloca) |
| 1555 | << TheCall->getDirectCallee(); |
| 1556 | break; |
| 1557 | case Builtin::BI__arithmetic_fence: |
| 1558 | if (SemaBuiltinArithmeticFence(TheCall)) |
| 1559 | return ExprError(); |
| 1560 | break; |
| 1561 | case Builtin::BI__assume: |
| 1562 | case Builtin::BI__builtin_assume: |
| 1563 | if (SemaBuiltinAssume(TheCall)) |
| 1564 | return ExprError(); |
| 1565 | break; |
| 1566 | case Builtin::BI__builtin_assume_aligned: |
| 1567 | if (SemaBuiltinAssumeAligned(TheCall)) |
| 1568 | return ExprError(); |
| 1569 | break; |
| 1570 | case Builtin::BI__builtin_dynamic_object_size: |
| 1571 | case Builtin::BI__builtin_object_size: |
| 1572 | if (SemaBuiltinConstantArgRange(TheCall, 1, 0, 3)) |
| 1573 | return ExprError(); |
| 1574 | break; |
| 1575 | case Builtin::BI__builtin_longjmp: |
| 1576 | if (SemaBuiltinLongjmp(TheCall)) |
| 1577 | return ExprError(); |
| 1578 | break; |
| 1579 | case Builtin::BI__builtin_setjmp: |
| 1580 | if (SemaBuiltinSetjmp(TheCall)) |
| 1581 | return ExprError(); |
| 1582 | break; |
| 1583 | case Builtin::BI__builtin_classify_type: |
| 1584 | if (checkArgCount(*this, TheCall, 1)) return true; |
| 1585 | TheCall->setType(Context.IntTy); |
| 1586 | break; |
| 1587 | case Builtin::BI__builtin_complex: |
| 1588 | if (SemaBuiltinComplex(TheCall)) |
| 1589 | return ExprError(); |
| 1590 | break; |
| 1591 | case Builtin::BI__builtin_constant_p: { |
| 1592 | if (checkArgCount(*this, TheCall, 1)) return true; |
| 1593 | ExprResult Arg = DefaultFunctionArrayLvalueConversion(TheCall->getArg(0)); |
| 1594 | if (Arg.isInvalid()) return true; |
| 1595 | TheCall->setArg(0, Arg.get()); |
| 1596 | TheCall->setType(Context.IntTy); |
| 1597 | break; |
| 1598 | } |
| 1599 | case Builtin::BI__builtin_launder: |
| 1600 | return SemaBuiltinLaunder(*this, TheCall); |
| 1601 | case Builtin::BI__sync_fetch_and_add: |
| 1602 | case Builtin::BI__sync_fetch_and_add_1: |
| 1603 | case Builtin::BI__sync_fetch_and_add_2: |
| 1604 | case Builtin::BI__sync_fetch_and_add_4: |
| 1605 | case Builtin::BI__sync_fetch_and_add_8: |
| 1606 | case Builtin::BI__sync_fetch_and_add_16: |
| 1607 | case Builtin::BI__sync_fetch_and_sub: |
| 1608 | case Builtin::BI__sync_fetch_and_sub_1: |
| 1609 | case Builtin::BI__sync_fetch_and_sub_2: |
| 1610 | case Builtin::BI__sync_fetch_and_sub_4: |
| 1611 | case Builtin::BI__sync_fetch_and_sub_8: |
| 1612 | case Builtin::BI__sync_fetch_and_sub_16: |
| 1613 | case Builtin::BI__sync_fetch_and_or: |
| 1614 | case Builtin::BI__sync_fetch_and_or_1: |
| 1615 | case Builtin::BI__sync_fetch_and_or_2: |
| 1616 | case Builtin::BI__sync_fetch_and_or_4: |
| 1617 | case Builtin::BI__sync_fetch_and_or_8: |
| 1618 | case Builtin::BI__sync_fetch_and_or_16: |
| 1619 | case Builtin::BI__sync_fetch_and_and: |
| 1620 | case Builtin::BI__sync_fetch_and_and_1: |
| 1621 | case Builtin::BI__sync_fetch_and_and_2: |
| 1622 | case Builtin::BI__sync_fetch_and_and_4: |
| 1623 | case Builtin::BI__sync_fetch_and_and_8: |
| 1624 | case Builtin::BI__sync_fetch_and_and_16: |
| 1625 | case Builtin::BI__sync_fetch_and_xor: |
| 1626 | case Builtin::BI__sync_fetch_and_xor_1: |
| 1627 | case Builtin::BI__sync_fetch_and_xor_2: |
| 1628 | case Builtin::BI__sync_fetch_and_xor_4: |
| 1629 | case Builtin::BI__sync_fetch_and_xor_8: |
| 1630 | case Builtin::BI__sync_fetch_and_xor_16: |
| 1631 | case Builtin::BI__sync_fetch_and_nand: |
| 1632 | case Builtin::BI__sync_fetch_and_nand_1: |
| 1633 | case Builtin::BI__sync_fetch_and_nand_2: |
| 1634 | case Builtin::BI__sync_fetch_and_nand_4: |
| 1635 | case Builtin::BI__sync_fetch_and_nand_8: |
| 1636 | case Builtin::BI__sync_fetch_and_nand_16: |
| 1637 | case Builtin::BI__sync_add_and_fetch: |
| 1638 | case Builtin::BI__sync_add_and_fetch_1: |
| 1639 | case Builtin::BI__sync_add_and_fetch_2: |
| 1640 | case Builtin::BI__sync_add_and_fetch_4: |
| 1641 | case Builtin::BI__sync_add_and_fetch_8: |
| 1642 | case Builtin::BI__sync_add_and_fetch_16: |
| 1643 | case Builtin::BI__sync_sub_and_fetch: |
| 1644 | case Builtin::BI__sync_sub_and_fetch_1: |
| 1645 | case Builtin::BI__sync_sub_and_fetch_2: |
| 1646 | case Builtin::BI__sync_sub_and_fetch_4: |
| 1647 | case Builtin::BI__sync_sub_and_fetch_8: |
| 1648 | case Builtin::BI__sync_sub_and_fetch_16: |
| 1649 | case Builtin::BI__sync_and_and_fetch: |
| 1650 | case Builtin::BI__sync_and_and_fetch_1: |
| 1651 | case Builtin::BI__sync_and_and_fetch_2: |
| 1652 | case Builtin::BI__sync_and_and_fetch_4: |
| 1653 | case Builtin::BI__sync_and_and_fetch_8: |
| 1654 | case Builtin::BI__sync_and_and_fetch_16: |
| 1655 | case Builtin::BI__sync_or_and_fetch: |
| 1656 | case Builtin::BI__sync_or_and_fetch_1: |
| 1657 | case Builtin::BI__sync_or_and_fetch_2: |
| 1658 | case Builtin::BI__sync_or_and_fetch_4: |
| 1659 | case Builtin::BI__sync_or_and_fetch_8: |
| 1660 | case Builtin::BI__sync_or_and_fetch_16: |
| 1661 | case Builtin::BI__sync_xor_and_fetch: |
| 1662 | case Builtin::BI__sync_xor_and_fetch_1: |
| 1663 | case Builtin::BI__sync_xor_and_fetch_2: |
| 1664 | case Builtin::BI__sync_xor_and_fetch_4: |
| 1665 | case Builtin::BI__sync_xor_and_fetch_8: |
| 1666 | case Builtin::BI__sync_xor_and_fetch_16: |
| 1667 | case Builtin::BI__sync_nand_and_fetch: |
| 1668 | case Builtin::BI__sync_nand_and_fetch_1: |
| 1669 | case Builtin::BI__sync_nand_and_fetch_2: |
| 1670 | case Builtin::BI__sync_nand_and_fetch_4: |
| 1671 | case Builtin::BI__sync_nand_and_fetch_8: |
| 1672 | case Builtin::BI__sync_nand_and_fetch_16: |
| 1673 | case Builtin::BI__sync_val_compare_and_swap: |
| 1674 | case Builtin::BI__sync_val_compare_and_swap_1: |
| 1675 | case Builtin::BI__sync_val_compare_and_swap_2: |
| 1676 | case Builtin::BI__sync_val_compare_and_swap_4: |
| 1677 | case Builtin::BI__sync_val_compare_and_swap_8: |
| 1678 | case Builtin::BI__sync_val_compare_and_swap_16: |
| 1679 | case Builtin::BI__sync_bool_compare_and_swap: |
| 1680 | case Builtin::BI__sync_bool_compare_and_swap_1: |
| 1681 | case Builtin::BI__sync_bool_compare_and_swap_2: |
| 1682 | case Builtin::BI__sync_bool_compare_and_swap_4: |
| 1683 | case Builtin::BI__sync_bool_compare_and_swap_8: |
| 1684 | case Builtin::BI__sync_bool_compare_and_swap_16: |
| 1685 | case Builtin::BI__sync_lock_test_and_set: |
| 1686 | case Builtin::BI__sync_lock_test_and_set_1: |
| 1687 | case Builtin::BI__sync_lock_test_and_set_2: |
| 1688 | case Builtin::BI__sync_lock_test_and_set_4: |
| 1689 | case Builtin::BI__sync_lock_test_and_set_8: |
| 1690 | case Builtin::BI__sync_lock_test_and_set_16: |
| 1691 | case Builtin::BI__sync_lock_release: |
| 1692 | case Builtin::BI__sync_lock_release_1: |
| 1693 | case Builtin::BI__sync_lock_release_2: |
| 1694 | case Builtin::BI__sync_lock_release_4: |
| 1695 | case Builtin::BI__sync_lock_release_8: |
| 1696 | case Builtin::BI__sync_lock_release_16: |
| 1697 | case Builtin::BI__sync_swap: |
| 1698 | case Builtin::BI__sync_swap_1: |
| 1699 | case Builtin::BI__sync_swap_2: |
| 1700 | case Builtin::BI__sync_swap_4: |
| 1701 | case Builtin::BI__sync_swap_8: |
| 1702 | case Builtin::BI__sync_swap_16: |
| 1703 | return SemaBuiltinAtomicOverloaded(TheCallResult); |
| 1704 | case Builtin::BI__sync_synchronize: |
| 1705 | Diag(TheCall->getBeginLoc(), diag::warn_atomic_implicit_seq_cst) |
| 1706 | << TheCall->getCallee()->getSourceRange(); |
| 1707 | break; |
| 1708 | case Builtin::BI__builtin_nontemporal_load: |
| 1709 | case Builtin::BI__builtin_nontemporal_store: |
| 1710 | return SemaBuiltinNontemporalOverloaded(TheCallResult); |
| 1711 | case Builtin::BI__builtin_memcpy_inline: { |
| 1712 | clang::Expr *SizeOp = TheCall->getArg(2); |
| 1713 | // We warn about copying to or from `nullptr` pointers when `size` is |
| 1714 | // greater than 0. When `size` is value dependent we cannot evaluate its |
| 1715 | // value so we bail out. |
| 1716 | if (SizeOp->isValueDependent()) |
| 1717 | break; |
| 1718 | if (!SizeOp->EvaluateKnownConstInt(Context).isNullValue()) { |
| 1719 | CheckNonNullArgument(*this, TheCall->getArg(0), TheCall->getExprLoc()); |
| 1720 | CheckNonNullArgument(*this, TheCall->getArg(1), TheCall->getExprLoc()); |
| 1721 | } |
| 1722 | break; |
| 1723 | } |
| 1724 | #define BUILTIN(ID, TYPE, ATTRS) |
| 1725 | #define ATOMIC_BUILTIN(ID, TYPE, ATTRS) \ |
| 1726 | case Builtin::BI##ID: \ |
| 1727 | return SemaAtomicOpsOverloaded(TheCallResult, AtomicExpr::AO##ID); |
| 1728 | #include "clang/Basic/Builtins.def" |
| 1729 | case Builtin::BI__annotation: |
| 1730 | if (SemaBuiltinMSVCAnnotation(*this, TheCall)) |
| 1731 | return ExprError(); |
| 1732 | break; |
| 1733 | case Builtin::BI__builtin_annotation: |
| 1734 | if (SemaBuiltinAnnotation(*this, TheCall)) |
| 1735 | return ExprError(); |
| 1736 | break; |
| 1737 | case Builtin::BI__builtin_addressof: |
| 1738 | if (SemaBuiltinAddressof(*this, TheCall)) |
| 1739 | return ExprError(); |
| 1740 | break; |
| 1741 | case Builtin::BI__builtin_is_aligned: |
| 1742 | case Builtin::BI__builtin_align_up: |
| 1743 | case Builtin::BI__builtin_align_down: |
| 1744 | if (SemaBuiltinAlignment(*this, TheCall, BuiltinID)) |
| 1745 | return ExprError(); |
| 1746 | break; |
| 1747 | case Builtin::BI__builtin_add_overflow: |
| 1748 | case Builtin::BI__builtin_sub_overflow: |
| 1749 | case Builtin::BI__builtin_mul_overflow: |
| 1750 | if (SemaBuiltinOverflow(*this, TheCall, BuiltinID)) |
| 1751 | return ExprError(); |
| 1752 | break; |
| 1753 | case Builtin::BI__builtin_operator_new: |
| 1754 | case Builtin::BI__builtin_operator_delete: { |
| 1755 | bool IsDelete = BuiltinID == Builtin::BI__builtin_operator_delete; |
| 1756 | ExprResult Res = |
| 1757 | SemaBuiltinOperatorNewDeleteOverloaded(TheCallResult, IsDelete); |
| 1758 | if (Res.isInvalid()) |
| 1759 | CorrectDelayedTyposInExpr(TheCallResult.get()); |
| 1760 | return Res; |
| 1761 | } |
| 1762 | case Builtin::BI__builtin_dump_struct: { |
| 1763 | // We first want to ensure we are called with 2 arguments |
| 1764 | if (checkArgCount(*this, TheCall, 2)) |
| 1765 | return ExprError(); |
| 1766 | // Ensure that the first argument is of type 'struct XX *' |
| 1767 | const Expr *PtrArg = TheCall->getArg(0)->IgnoreParenImpCasts(); |
| 1768 | const QualType PtrArgType = PtrArg->getType(); |
| 1769 | if (!PtrArgType->isPointerType() || |
| 1770 | !PtrArgType->getPointeeType()->isRecordType()) { |
| 1771 | Diag(PtrArg->getBeginLoc(), diag::err_typecheck_convert_incompatible) |
| 1772 | << PtrArgType << "structure pointer" << 1 << 0 << 3 << 1 << PtrArgType |
| 1773 | << "structure pointer"; |
| 1774 | return ExprError(); |
| 1775 | } |
| 1776 | |
| 1777 | // Ensure that the second argument is of type 'FunctionType' |
| 1778 | const Expr *FnPtrArg = TheCall->getArg(1)->IgnoreImpCasts(); |
| 1779 | const QualType FnPtrArgType = FnPtrArg->getType(); |
| 1780 | if (!FnPtrArgType->isPointerType()) { |
| 1781 | Diag(FnPtrArg->getBeginLoc(), diag::err_typecheck_convert_incompatible) |
| 1782 | << FnPtrArgType << "'int (*)(const char *, ...)'" << 1 << 0 << 3 << 2 |
| 1783 | << FnPtrArgType << "'int (*)(const char *, ...)'"; |
| 1784 | return ExprError(); |
| 1785 | } |
| 1786 | |
| 1787 | const auto *FuncType = |
| 1788 | FnPtrArgType->getPointeeType()->getAs<FunctionType>(); |
| 1789 | |
| 1790 | if (!FuncType) { |
| 1791 | Diag(FnPtrArg->getBeginLoc(), diag::err_typecheck_convert_incompatible) |
| 1792 | << FnPtrArgType << "'int (*)(const char *, ...)'" << 1 << 0 << 3 << 2 |
| 1793 | << FnPtrArgType << "'int (*)(const char *, ...)'"; |
| 1794 | return ExprError(); |
| 1795 | } |
| 1796 | |
| 1797 | if (const auto *FT = dyn_cast<FunctionProtoType>(FuncType)) { |
| 1798 | if (!FT->getNumParams()) { |
| 1799 | Diag(FnPtrArg->getBeginLoc(), diag::err_typecheck_convert_incompatible) |
| 1800 | << FnPtrArgType << "'int (*)(const char *, ...)'" << 1 << 0 << 3 |
| 1801 | << 2 << FnPtrArgType << "'int (*)(const char *, ...)'"; |
| 1802 | return ExprError(); |
| 1803 | } |
| 1804 | QualType PT = FT->getParamType(0); |
| 1805 | if (!FT->isVariadic() || FT->getReturnType() != Context.IntTy || |
| 1806 | !PT->isPointerType() || !PT->getPointeeType()->isCharType() || |
| 1807 | !PT->getPointeeType().isConstQualified()) { |
| 1808 | Diag(FnPtrArg->getBeginLoc(), diag::err_typecheck_convert_incompatible) |
| 1809 | << FnPtrArgType << "'int (*)(const char *, ...)'" << 1 << 0 << 3 |
| 1810 | << 2 << FnPtrArgType << "'int (*)(const char *, ...)'"; |
| 1811 | return ExprError(); |
| 1812 | } |
| 1813 | } |
| 1814 | |
| 1815 | TheCall->setType(Context.IntTy); |
| 1816 | break; |
| 1817 | } |
| 1818 | case Builtin::BI__builtin_expect_with_probability: { |
| 1819 | // We first want to ensure we are called with 3 arguments |
| 1820 | if (checkArgCount(*this, TheCall, 3)) |
| 1821 | return ExprError(); |
| 1822 | // then check probability is constant float in range [0.0, 1.0] |
| 1823 | const Expr *ProbArg = TheCall->getArg(2); |
| 1824 | SmallVector<PartialDiagnosticAt, 8> Notes; |
| 1825 | Expr::EvalResult Eval; |
| 1826 | Eval.Diag = &Notes; |
| 1827 | if ((!ProbArg->EvaluateAsConstantExpr(Eval, Context)) || |
| 1828 | !Eval.Val.isFloat()) { |
| 1829 | Diag(ProbArg->getBeginLoc(), diag::err_probability_not_constant_float) |
| 1830 | << ProbArg->getSourceRange(); |
| 1831 | for (const PartialDiagnosticAt &PDiag : Notes) |
| 1832 | Diag(PDiag.first, PDiag.second); |
| 1833 | return ExprError(); |
| 1834 | } |
| 1835 | llvm::APFloat Probability = Eval.Val.getFloat(); |
| 1836 | bool LoseInfo = false; |
| 1837 | Probability.convert(llvm::APFloat::IEEEdouble(), |
| 1838 | llvm::RoundingMode::Dynamic, &LoseInfo); |
| 1839 | if (!(Probability >= llvm::APFloat(0.0) && |
| 1840 | Probability <= llvm::APFloat(1.0))) { |
| 1841 | Diag(ProbArg->getBeginLoc(), diag::err_probability_out_of_range) |
| 1842 | << ProbArg->getSourceRange(); |
| 1843 | return ExprError(); |
| 1844 | } |
| 1845 | break; |
| 1846 | } |
| 1847 | case Builtin::BI__builtin_preserve_access_index: |
| 1848 | if (SemaBuiltinPreserveAI(*this, TheCall)) |
| 1849 | return ExprError(); |
| 1850 | break; |
| 1851 | case Builtin::BI__builtin_call_with_static_chain: |
| 1852 | if (SemaBuiltinCallWithStaticChain(*this, TheCall)) |
| 1853 | return ExprError(); |
| 1854 | break; |
| 1855 | case Builtin::BI__exception_code: |
| 1856 | case Builtin::BI_exception_code: |
| 1857 | if (SemaBuiltinSEHScopeCheck(*this, TheCall, Scope::SEHExceptScope, |
| 1858 | diag::err_seh___except_block)) |
| 1859 | return ExprError(); |
| 1860 | break; |
| 1861 | case Builtin::BI__exception_info: |
| 1862 | case Builtin::BI_exception_info: |
| 1863 | if (SemaBuiltinSEHScopeCheck(*this, TheCall, Scope::SEHFilterScope, |
| 1864 | diag::err_seh___except_filter)) |
| 1865 | return ExprError(); |
| 1866 | break; |
| 1867 | case Builtin::BI__GetExceptionInfo: |
| 1868 | if (checkArgCount(*this, TheCall, 1)) |
| 1869 | return ExprError(); |
| 1870 | |
| 1871 | if (CheckCXXThrowOperand( |
| 1872 | TheCall->getBeginLoc(), |
| 1873 | Context.getExceptionObjectType(FDecl->getParamDecl(0)->getType()), |
| 1874 | TheCall)) |
| 1875 | return ExprError(); |
| 1876 | |
| 1877 | TheCall->setType(Context.VoidPtrTy); |
| 1878 | break; |
| 1879 | // OpenCL v2.0, s6.13.16 - Pipe functions |
| 1880 | case Builtin::BIread_pipe: |
| 1881 | case Builtin::BIwrite_pipe: |
| 1882 | // Since those two functions are declared with var args, we need a semantic |
| 1883 | // check for the argument. |
| 1884 | if (SemaBuiltinRWPipe(*this, TheCall)) |
| 1885 | return ExprError(); |
| 1886 | break; |
| 1887 | case Builtin::BIreserve_read_pipe: |
| 1888 | case Builtin::BIreserve_write_pipe: |
| 1889 | case Builtin::BIwork_group_reserve_read_pipe: |
| 1890 | case Builtin::BIwork_group_reserve_write_pipe: |
| 1891 | if (SemaBuiltinReserveRWPipe(*this, TheCall)) |
| 1892 | return ExprError(); |
| 1893 | break; |
| 1894 | case Builtin::BIsub_group_reserve_read_pipe: |
| 1895 | case Builtin::BIsub_group_reserve_write_pipe: |
| 1896 | if (checkOpenCLSubgroupExt(*this, TheCall) || |
| 1897 | SemaBuiltinReserveRWPipe(*this, TheCall)) |
| 1898 | return ExprError(); |
| 1899 | break; |
| 1900 | case Builtin::BIcommit_read_pipe: |
| 1901 | case Builtin::BIcommit_write_pipe: |
| 1902 | case Builtin::BIwork_group_commit_read_pipe: |
| 1903 | case Builtin::BIwork_group_commit_write_pipe: |
| 1904 | if (SemaBuiltinCommitRWPipe(*this, TheCall)) |
| 1905 | return ExprError(); |
| 1906 | break; |
| 1907 | case Builtin::BIsub_group_commit_read_pipe: |
| 1908 | case Builtin::BIsub_group_commit_write_pipe: |
| 1909 | if (checkOpenCLSubgroupExt(*this, TheCall) || |
| 1910 | SemaBuiltinCommitRWPipe(*this, TheCall)) |
| 1911 | return ExprError(); |
| 1912 | break; |
| 1913 | case Builtin::BIget_pipe_num_packets: |
| 1914 | case Builtin::BIget_pipe_max_packets: |
| 1915 | if (SemaBuiltinPipePackets(*this, TheCall)) |
| 1916 | return ExprError(); |
| 1917 | break; |
| 1918 | case Builtin::BIto_global: |
| 1919 | case Builtin::BIto_local: |
| 1920 | case Builtin::BIto_private: |
| 1921 | if (SemaOpenCLBuiltinToAddr(*this, BuiltinID, TheCall)) |
| 1922 | return ExprError(); |
| 1923 | break; |
| 1924 | // OpenCL v2.0, s6.13.17 - Enqueue kernel functions. |
| 1925 | case Builtin::BIenqueue_kernel: |
| 1926 | if (SemaOpenCLBuiltinEnqueueKernel(*this, TheCall)) |
| 1927 | return ExprError(); |
| 1928 | break; |
| 1929 | case Builtin::BIget_kernel_work_group_size: |
| 1930 | case Builtin::BIget_kernel_preferred_work_group_size_multiple: |
| 1931 | if (SemaOpenCLBuiltinKernelWorkGroupSize(*this, TheCall)) |
| 1932 | return ExprError(); |
| 1933 | break; |
| 1934 | case Builtin::BIget_kernel_max_sub_group_size_for_ndrange: |
| 1935 | case Builtin::BIget_kernel_sub_group_count_for_ndrange: |
| 1936 | if (SemaOpenCLBuiltinNDRangeAndBlock(*this, TheCall)) |
| 1937 | return ExprError(); |
| 1938 | break; |
| 1939 | case Builtin::BI__builtin_os_log_format: |
| 1940 | Cleanup.setExprNeedsCleanups(true); |
| 1941 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
| 1942 | case Builtin::BI__builtin_os_log_format_buffer_size: |
| 1943 | if (SemaBuiltinOSLogFormat(TheCall)) |
| 1944 | return ExprError(); |
| 1945 | break; |
| 1946 | case Builtin::BI__builtin_frame_address: |
| 1947 | case Builtin::BI__builtin_return_address: { |
| 1948 | if (SemaBuiltinConstantArgRange(TheCall, 0, 0, 0xFFFF)) |
| 1949 | return ExprError(); |
| 1950 | |
| 1951 | // -Wframe-address warning if non-zero passed to builtin |
| 1952 | // return/frame address. |
| 1953 | Expr::EvalResult Result; |
| 1954 | if (!TheCall->getArg(0)->isValueDependent() && |
| 1955 | TheCall->getArg(0)->EvaluateAsInt(Result, getASTContext()) && |
| 1956 | Result.Val.getInt() != 0) |
| 1957 | Diag(TheCall->getBeginLoc(), diag::warn_frame_address) |
| 1958 | << ((BuiltinID == Builtin::BI__builtin_return_address) |
| 1959 | ? "__builtin_return_address" |
| 1960 | : "__builtin_frame_address") |
| 1961 | << TheCall->getSourceRange(); |
| 1962 | break; |
| 1963 | } |
| 1964 | |
| 1965 | case Builtin::BI__builtin_matrix_transpose: |
| 1966 | return SemaBuiltinMatrixTranspose(TheCall, TheCallResult); |
| 1967 | |
| 1968 | case Builtin::BI__builtin_matrix_column_major_load: |
| 1969 | return SemaBuiltinMatrixColumnMajorLoad(TheCall, TheCallResult); |
| 1970 | |
| 1971 | case Builtin::BI__builtin_matrix_column_major_store: |
| 1972 | return SemaBuiltinMatrixColumnMajorStore(TheCall, TheCallResult); |
| 1973 | |
| 1974 | case Builtin::BI__builtin_get_device_side_mangled_name: { |
| 1975 | auto Check = [](CallExpr *TheCall) { |
| 1976 | if (TheCall->getNumArgs() != 1) |
| 1977 | return false; |
| 1978 | auto *DRE = dyn_cast<DeclRefExpr>(TheCall->getArg(0)->IgnoreImpCasts()); |
| 1979 | if (!DRE) |
| 1980 | return false; |
| 1981 | auto *D = DRE->getDecl(); |
| 1982 | if (!isa<FunctionDecl>(D) && !isa<VarDecl>(D)) |
| 1983 | return false; |
| 1984 | return D->hasAttr<CUDAGlobalAttr>() || D->hasAttr<CUDADeviceAttr>() || |
| 1985 | D->hasAttr<CUDAConstantAttr>() || D->hasAttr<HIPManagedAttr>(); |
| 1986 | }; |
| 1987 | if (!Check(TheCall)) { |
| 1988 | Diag(TheCall->getBeginLoc(), |
| 1989 | diag::err_hip_invalid_args_builtin_mangled_name); |
| 1990 | return ExprError(); |
| 1991 | } |
| 1992 | } |
| 1993 | } |
| 1994 | |
| 1995 | // Since the target specific builtins for each arch overlap, only check those |
| 1996 | // of the arch we are compiling for. |
| 1997 | if (Context.BuiltinInfo.isTSBuiltin(BuiltinID)) { |
| 1998 | if (Context.BuiltinInfo.isAuxBuiltinID(BuiltinID)) { |
| 1999 | assert(Context.getAuxTargetInfo() &&((void)0) |
| 2000 | "Aux Target Builtin, but not an aux target?")((void)0); |
| 2001 | |
| 2002 | if (CheckTSBuiltinFunctionCall( |
| 2003 | *Context.getAuxTargetInfo(), |
| 2004 | Context.BuiltinInfo.getAuxBuiltinID(BuiltinID), TheCall)) |
| 2005 | return ExprError(); |
| 2006 | } else { |
| 2007 | if (CheckTSBuiltinFunctionCall(Context.getTargetInfo(), BuiltinID, |
| 2008 | TheCall)) |
| 2009 | return ExprError(); |
| 2010 | } |
| 2011 | } |
| 2012 | |
| 2013 | return TheCallResult; |
| 2014 | } |
| 2015 | |
| 2016 | // Get the valid immediate range for the specified NEON type code. |
| 2017 | static unsigned RFT(unsigned t, bool shift = false, bool ForceQuad = false) { |
| 2018 | NeonTypeFlags Type(t); |
| 2019 | int IsQuad = ForceQuad ? true : Type.isQuad(); |
| 2020 | switch (Type.getEltType()) { |
| 2021 | case NeonTypeFlags::Int8: |
| 2022 | case NeonTypeFlags::Poly8: |
| 2023 | return shift ? 7 : (8 << IsQuad) - 1; |
| 2024 | case NeonTypeFlags::Int16: |
| 2025 | case NeonTypeFlags::Poly16: |
| 2026 | return shift ? 15 : (4 << IsQuad) - 1; |
| 2027 | case NeonTypeFlags::Int32: |
| 2028 | return shift ? 31 : (2 << IsQuad) - 1; |
| 2029 | case NeonTypeFlags::Int64: |
| 2030 | case NeonTypeFlags::Poly64: |
| 2031 | return shift ? 63 : (1 << IsQuad) - 1; |
| 2032 | case NeonTypeFlags::Poly128: |
| 2033 | return shift ? 127 : (1 << IsQuad) - 1; |
| 2034 | case NeonTypeFlags::Float16: |
| 2035 | assert(!shift && "cannot shift float types!")((void)0); |
| 2036 | return (4 << IsQuad) - 1; |
| 2037 | case NeonTypeFlags::Float32: |
| 2038 | assert(!shift && "cannot shift float types!")((void)0); |
| 2039 | return (2 << IsQuad) - 1; |
| 2040 | case NeonTypeFlags::Float64: |
| 2041 | assert(!shift && "cannot shift float types!")((void)0); |
| 2042 | return (1 << IsQuad) - 1; |
| 2043 | case NeonTypeFlags::BFloat16: |
| 2044 | assert(!shift && "cannot shift float types!")((void)0); |
| 2045 | return (4 << IsQuad) - 1; |
| 2046 | } |
| 2047 | llvm_unreachable("Invalid NeonTypeFlag!")__builtin_unreachable(); |
| 2048 | } |
| 2049 | |
| 2050 | /// getNeonEltType - Return the QualType corresponding to the elements of |
| 2051 | /// the vector type specified by the NeonTypeFlags. This is used to check |
| 2052 | /// the pointer arguments for Neon load/store intrinsics. |
| 2053 | static QualType getNeonEltType(NeonTypeFlags Flags, ASTContext &Context, |
| 2054 | bool IsPolyUnsigned, bool IsInt64Long) { |
| 2055 | switch (Flags.getEltType()) { |
| 2056 | case NeonTypeFlags::Int8: |
| 2057 | return Flags.isUnsigned() ? Context.UnsignedCharTy : Context.SignedCharTy; |
| 2058 | case NeonTypeFlags::Int16: |
| 2059 | return Flags.isUnsigned() ? Context.UnsignedShortTy : Context.ShortTy; |
| 2060 | case NeonTypeFlags::Int32: |
| 2061 | return Flags.isUnsigned() ? Context.UnsignedIntTy : Context.IntTy; |
| 2062 | case NeonTypeFlags::Int64: |
| 2063 | if (IsInt64Long) |
| 2064 | return Flags.isUnsigned() ? Context.UnsignedLongTy : Context.LongTy; |
| 2065 | else |
| 2066 | return Flags.isUnsigned() ? Context.UnsignedLongLongTy |
| 2067 | : Context.LongLongTy; |
| 2068 | case NeonTypeFlags::Poly8: |
| 2069 | return IsPolyUnsigned ? Context.UnsignedCharTy : Context.SignedCharTy; |
| 2070 | case NeonTypeFlags::Poly16: |
| 2071 | return IsPolyUnsigned ? Context.UnsignedShortTy : Context.ShortTy; |
| 2072 | case NeonTypeFlags::Poly64: |
| 2073 | if (IsInt64Long) |
| 2074 | return Context.UnsignedLongTy; |
| 2075 | else |
| 2076 | return Context.UnsignedLongLongTy; |
| 2077 | case NeonTypeFlags::Poly128: |
| 2078 | break; |
| 2079 | case NeonTypeFlags::Float16: |
| 2080 | return Context.HalfTy; |
| 2081 | case NeonTypeFlags::Float32: |
| 2082 | return Context.FloatTy; |
| 2083 | case NeonTypeFlags::Float64: |
| 2084 | return Context.DoubleTy; |
| 2085 | case NeonTypeFlags::BFloat16: |
| 2086 | return Context.BFloat16Ty; |
| 2087 | } |
| 2088 | llvm_unreachable("Invalid NeonTypeFlag!")__builtin_unreachable(); |
| 2089 | } |
| 2090 | |
| 2091 | bool Sema::CheckSVEBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) { |
| 2092 | // Range check SVE intrinsics that take immediate values. |
| 2093 | SmallVector<std::tuple<int,int,int>, 3> ImmChecks; |
| 2094 | |
| 2095 | switch (BuiltinID) { |
| 2096 | default: |
| 2097 | return false; |
| 2098 | #define GET_SVE_IMMEDIATE_CHECK |
| 2099 | #include "clang/Basic/arm_sve_sema_rangechecks.inc" |
| 2100 | #undef GET_SVE_IMMEDIATE_CHECK |
| 2101 | } |
| 2102 | |
| 2103 | // Perform all the immediate checks for this builtin call. |
| 2104 | bool HasError = false; |
| 2105 | for (auto &I : ImmChecks) { |
| 2106 | int ArgNum, CheckTy, ElementSizeInBits; |
| 2107 | std::tie(ArgNum, CheckTy, ElementSizeInBits) = I; |
| 2108 | |
| 2109 | typedef bool(*OptionSetCheckFnTy)(int64_t Value); |
| 2110 | |
| 2111 | // Function that checks whether the operand (ArgNum) is an immediate |
| 2112 | // that is one of the predefined values. |
| 2113 | auto CheckImmediateInSet = [&](OptionSetCheckFnTy CheckImm, |
| 2114 | int ErrDiag) -> bool { |
| 2115 | // We can't check the value of a dependent argument. |
| 2116 | Expr *Arg = TheCall->getArg(ArgNum); |
| 2117 | if (Arg->isTypeDependent() || Arg->isValueDependent()) |
| 2118 | return false; |
| 2119 | |
| 2120 | // Check constant-ness first. |
| 2121 | llvm::APSInt Imm; |
| 2122 | if (SemaBuiltinConstantArg(TheCall, ArgNum, Imm)) |
| 2123 | return true; |
| 2124 | |
| 2125 | if (!CheckImm(Imm.getSExtValue())) |
| 2126 | return Diag(TheCall->getBeginLoc(), ErrDiag) << Arg->getSourceRange(); |
| 2127 | return false; |
| 2128 | }; |
| 2129 | |
| 2130 | switch ((SVETypeFlags::ImmCheckType)CheckTy) { |
| 2131 | case SVETypeFlags::ImmCheck0_31: |
| 2132 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, 31)) |
| 2133 | HasError = true; |
| 2134 | break; |
| 2135 | case SVETypeFlags::ImmCheck0_13: |
| 2136 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, 13)) |
| 2137 | HasError = true; |
| 2138 | break; |
| 2139 | case SVETypeFlags::ImmCheck1_16: |
| 2140 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 1, 16)) |
| 2141 | HasError = true; |
| 2142 | break; |
| 2143 | case SVETypeFlags::ImmCheck0_7: |
| 2144 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, 7)) |
| 2145 | HasError = true; |
| 2146 | break; |
| 2147 | case SVETypeFlags::ImmCheckExtract: |
| 2148 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, |
| 2149 | (2048 / ElementSizeInBits) - 1)) |
| 2150 | HasError = true; |
| 2151 | break; |
| 2152 | case SVETypeFlags::ImmCheckShiftRight: |
| 2153 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 1, ElementSizeInBits)) |
| 2154 | HasError = true; |
| 2155 | break; |
| 2156 | case SVETypeFlags::ImmCheckShiftRightNarrow: |
| 2157 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 1, |
| 2158 | ElementSizeInBits / 2)) |
| 2159 | HasError = true; |
| 2160 | break; |
| 2161 | case SVETypeFlags::ImmCheckShiftLeft: |
| 2162 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, |
| 2163 | ElementSizeInBits - 1)) |
| 2164 | HasError = true; |
| 2165 | break; |
| 2166 | case SVETypeFlags::ImmCheckLaneIndex: |
| 2167 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, |
| 2168 | (128 / (1 * ElementSizeInBits)) - 1)) |
| 2169 | HasError = true; |
| 2170 | break; |
| 2171 | case SVETypeFlags::ImmCheckLaneIndexCompRotate: |
| 2172 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, |
| 2173 | (128 / (2 * ElementSizeInBits)) - 1)) |
| 2174 | HasError = true; |
| 2175 | break; |
| 2176 | case SVETypeFlags::ImmCheckLaneIndexDot: |
| 2177 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, |
| 2178 | (128 / (4 * ElementSizeInBits)) - 1)) |
| 2179 | HasError = true; |
| 2180 | break; |
| 2181 | case SVETypeFlags::ImmCheckComplexRot90_270: |
| 2182 | if (CheckImmediateInSet([](int64_t V) { return V == 90 || V == 270; }, |
| 2183 | diag::err_rotation_argument_to_cadd)) |
| 2184 | HasError = true; |
| 2185 | break; |
| 2186 | case SVETypeFlags::ImmCheckComplexRotAll90: |
| 2187 | if (CheckImmediateInSet( |
| 2188 | [](int64_t V) { |
| 2189 | return V == 0 || V == 90 || V == 180 || V == 270; |
| 2190 | }, |
| 2191 | diag::err_rotation_argument_to_cmla)) |
| 2192 | HasError = true; |
| 2193 | break; |
| 2194 | case SVETypeFlags::ImmCheck0_1: |
| 2195 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, 1)) |
| 2196 | HasError = true; |
| 2197 | break; |
| 2198 | case SVETypeFlags::ImmCheck0_2: |
| 2199 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, 2)) |
| 2200 | HasError = true; |
| 2201 | break; |
| 2202 | case SVETypeFlags::ImmCheck0_3: |
| 2203 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, 3)) |
| 2204 | HasError = true; |
| 2205 | break; |
| 2206 | } |
| 2207 | } |
| 2208 | |
| 2209 | return HasError; |
| 2210 | } |
| 2211 | |
| 2212 | bool Sema::CheckNeonBuiltinFunctionCall(const TargetInfo &TI, |
| 2213 | unsigned BuiltinID, CallExpr *TheCall) { |
| 2214 | llvm::APSInt Result; |
| 2215 | uint64_t mask = 0; |
| 2216 | unsigned TV = 0; |
| 2217 | int PtrArgNum = -1; |
| 2218 | bool HasConstPtr = false; |
| 2219 | switch (BuiltinID) { |
| 2220 | #define GET_NEON_OVERLOAD_CHECK |
| 2221 | #include "clang/Basic/arm_neon.inc" |
| 2222 | #include "clang/Basic/arm_fp16.inc" |
| 2223 | #undef GET_NEON_OVERLOAD_CHECK |
| 2224 | } |
| 2225 | |
| 2226 | // For NEON intrinsics which are overloaded on vector element type, validate |
| 2227 | // the immediate which specifies which variant to emit. |
| 2228 | unsigned ImmArg = TheCall->getNumArgs()-1; |
| 2229 | if (mask) { |
| 2230 | if (SemaBuiltinConstantArg(TheCall, ImmArg, Result)) |
| 2231 | return true; |
| 2232 | |
| 2233 | TV = Result.getLimitedValue(64); |
| 2234 | if ((TV > 63) || (mask & (1ULL << TV)) == 0) |
| 2235 | return Diag(TheCall->getBeginLoc(), diag::err_invalid_neon_type_code) |
| 2236 | << TheCall->getArg(ImmArg)->getSourceRange(); |
| 2237 | } |
| 2238 | |
| 2239 | if (PtrArgNum >= 0) { |
| 2240 | // Check that pointer arguments have the specified type. |
| 2241 | Expr *Arg = TheCall->getArg(PtrArgNum); |
| 2242 | if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Arg)) |
| 2243 | Arg = ICE->getSubExpr(); |
| 2244 | ExprResult RHS = DefaultFunctionArrayLvalueConversion(Arg); |
| 2245 | QualType RHSTy = RHS.get()->getType(); |
| 2246 | |
| 2247 | llvm::Triple::ArchType Arch = TI.getTriple().getArch(); |
| 2248 | bool IsPolyUnsigned = Arch == llvm::Triple::aarch64 || |
| 2249 | Arch == llvm::Triple::aarch64_32 || |
| 2250 | Arch == llvm::Triple::aarch64_be; |
| 2251 | bool IsInt64Long = TI.getInt64Type() == TargetInfo::SignedLong; |
| 2252 | QualType EltTy = |
| 2253 | getNeonEltType(NeonTypeFlags(TV), Context, IsPolyUnsigned, IsInt64Long); |
| 2254 | if (HasConstPtr) |
| 2255 | EltTy = EltTy.withConst(); |
| 2256 | QualType LHSTy = Context.getPointerType(EltTy); |
| 2257 | AssignConvertType ConvTy; |
| 2258 | ConvTy = CheckSingleAssignmentConstraints(LHSTy, RHS); |
| 2259 | if (RHS.isInvalid()) |
| 2260 | return true; |
| 2261 | if (DiagnoseAssignmentResult(ConvTy, Arg->getBeginLoc(), LHSTy, RHSTy, |
| 2262 | RHS.get(), AA_Assigning)) |
| 2263 | return true; |
| 2264 | } |
| 2265 | |
| 2266 | // For NEON intrinsics which take an immediate value as part of the |
| 2267 | // instruction, range check them here. |
| 2268 | unsigned i = 0, l = 0, u = 0; |
| 2269 | switch (BuiltinID) { |
| 2270 | default: |
| 2271 | return false; |
| 2272 | #define GET_NEON_IMMEDIATE_CHECK |
| 2273 | #include "clang/Basic/arm_neon.inc" |
| 2274 | #include "clang/Basic/arm_fp16.inc" |
| 2275 | #undef GET_NEON_IMMEDIATE_CHECK |
| 2276 | } |
| 2277 | |
| 2278 | return SemaBuiltinConstantArgRange(TheCall, i, l, u + l); |
| 2279 | } |
| 2280 | |
| 2281 | bool Sema::CheckMVEBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) { |
| 2282 | switch (BuiltinID) { |
| 2283 | default: |
| 2284 | return false; |
| 2285 | #include "clang/Basic/arm_mve_builtin_sema.inc" |
| 2286 | } |
| 2287 | } |
| 2288 | |
| 2289 | bool Sema::CheckCDEBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
| 2290 | CallExpr *TheCall) { |
| 2291 | bool Err = false; |
| 2292 | switch (BuiltinID) { |
| 2293 | default: |
| 2294 | return false; |
| 2295 | #include "clang/Basic/arm_cde_builtin_sema.inc" |
| 2296 | } |
| 2297 | |
| 2298 | if (Err) |
| 2299 | return true; |
| 2300 | |
| 2301 | return CheckARMCoprocessorImmediate(TI, TheCall->getArg(0), /*WantCDE*/ true); |
| 2302 | } |
| 2303 | |
| 2304 | bool Sema::CheckARMCoprocessorImmediate(const TargetInfo &TI, |
| 2305 | const Expr *CoprocArg, bool WantCDE) { |
| 2306 | if (isConstantEvaluated()) |
| 2307 | return false; |
| 2308 | |
| 2309 | // We can't check the value of a dependent argument. |
| 2310 | if (CoprocArg->isTypeDependent() || CoprocArg->isValueDependent()) |
| 2311 | return false; |
| 2312 | |
| 2313 | llvm::APSInt CoprocNoAP = *CoprocArg->getIntegerConstantExpr(Context); |
| 2314 | int64_t CoprocNo = CoprocNoAP.getExtValue(); |
| 2315 | assert(CoprocNo >= 0 && "Coprocessor immediate must be non-negative")((void)0); |
| 2316 | |
| 2317 | uint32_t CDECoprocMask = TI.getARMCDECoprocMask(); |
| 2318 | bool IsCDECoproc = CoprocNo <= 7 && (CDECoprocMask & (1 << CoprocNo)); |
| 2319 | |
| 2320 | if (IsCDECoproc != WantCDE) |
| 2321 | return Diag(CoprocArg->getBeginLoc(), diag::err_arm_invalid_coproc) |
| 2322 | << (int)CoprocNo << (int)WantCDE << CoprocArg->getSourceRange(); |
| 2323 | |
| 2324 | return false; |
| 2325 | } |
| 2326 | |
| 2327 | bool Sema::CheckARMBuiltinExclusiveCall(unsigned BuiltinID, CallExpr *TheCall, |
| 2328 | unsigned MaxWidth) { |
| 2329 | assert((BuiltinID == ARM::BI__builtin_arm_ldrex ||((void)0) |
| 2330 | BuiltinID == ARM::BI__builtin_arm_ldaex ||((void)0) |
| 2331 | BuiltinID == ARM::BI__builtin_arm_strex ||((void)0) |
| 2332 | BuiltinID == ARM::BI__builtin_arm_stlex ||((void)0) |
| 2333 | BuiltinID == AArch64::BI__builtin_arm_ldrex ||((void)0) |
| 2334 | BuiltinID == AArch64::BI__builtin_arm_ldaex ||((void)0) |
| 2335 | BuiltinID == AArch64::BI__builtin_arm_strex ||((void)0) |
| 2336 | BuiltinID == AArch64::BI__builtin_arm_stlex) &&((void)0) |
| 2337 | "unexpected ARM builtin")((void)0); |
| 2338 | bool IsLdrex = BuiltinID == ARM::BI__builtin_arm_ldrex || |
| 2339 | BuiltinID == ARM::BI__builtin_arm_ldaex || |
| 2340 | BuiltinID == AArch64::BI__builtin_arm_ldrex || |
| 2341 | BuiltinID == AArch64::BI__builtin_arm_ldaex; |
| 2342 | |
| 2343 | DeclRefExpr *DRE =cast<DeclRefExpr>(TheCall->getCallee()->IgnoreParenCasts()); |
| 2344 | |
| 2345 | // Ensure that we have the proper number of arguments. |
| 2346 | if (checkArgCount(*this, TheCall, IsLdrex ? 1 : 2)) |
| 2347 | return true; |
| 2348 | |
| 2349 | // Inspect the pointer argument of the atomic builtin. This should always be |
| 2350 | // a pointer type, whose element is an integral scalar or pointer type. |
| 2351 | // Because it is a pointer type, we don't have to worry about any implicit |
| 2352 | // casts here. |
| 2353 | Expr *PointerArg = TheCall->getArg(IsLdrex ? 0 : 1); |
| 2354 | ExprResult PointerArgRes = DefaultFunctionArrayLvalueConversion(PointerArg); |
| 2355 | if (PointerArgRes.isInvalid()) |
| 2356 | return true; |
| 2357 | PointerArg = PointerArgRes.get(); |
| 2358 | |
| 2359 | const PointerType *pointerType = PointerArg->getType()->getAs<PointerType>(); |
| 2360 | if (!pointerType) { |
| 2361 | Diag(DRE->getBeginLoc(), diag::err_atomic_builtin_must_be_pointer) |
| 2362 | << PointerArg->getType() << PointerArg->getSourceRange(); |
| 2363 | return true; |
| 2364 | } |
| 2365 | |
| 2366 | // ldrex takes a "const volatile T*" and strex takes a "volatile T*". Our next |
| 2367 | // task is to insert the appropriate casts into the AST. First work out just |
| 2368 | // what the appropriate type is. |
| 2369 | QualType ValType = pointerType->getPointeeType(); |
| 2370 | QualType AddrType = ValType.getUnqualifiedType().withVolatile(); |
| 2371 | if (IsLdrex) |
| 2372 | AddrType.addConst(); |
| 2373 | |
| 2374 | // Issue a warning if the cast is dodgy. |
| 2375 | CastKind CastNeeded = CK_NoOp; |
| 2376 | if (!AddrType.isAtLeastAsQualifiedAs(ValType)) { |
| 2377 | CastNeeded = CK_BitCast; |
| 2378 | Diag(DRE->getBeginLoc(), diag::ext_typecheck_convert_discards_qualifiers) |
| 2379 | << PointerArg->getType() << Context.getPointerType(AddrType) |
| 2380 | << AA_Passing << PointerArg->getSourceRange(); |
| 2381 | } |
| 2382 | |
| 2383 | // Finally, do the cast and replace the argument with the corrected version. |
| 2384 | AddrType = Context.getPointerType(AddrType); |
| 2385 | PointerArgRes = ImpCastExprToType(PointerArg, AddrType, CastNeeded); |
| 2386 | if (PointerArgRes.isInvalid()) |
| 2387 | return true; |
| 2388 | PointerArg = PointerArgRes.get(); |
| 2389 | |
| 2390 | TheCall->setArg(IsLdrex ? 0 : 1, PointerArg); |
| 2391 | |
| 2392 | // In general, we allow ints, floats and pointers to be loaded and stored. |
| 2393 | if (!ValType->isIntegerType() && !ValType->isAnyPointerType() && |
| 2394 | !ValType->isBlockPointerType() && !ValType->isFloatingType()) { |
| 2395 | Diag(DRE->getBeginLoc(), diag::err_atomic_builtin_must_be_pointer_intfltptr) |
| 2396 | << PointerArg->getType() << PointerArg->getSourceRange(); |
| 2397 | return true; |
| 2398 | } |
| 2399 | |
| 2400 | // But ARM doesn't have instructions to deal with 128-bit versions. |
| 2401 | if (Context.getTypeSize(ValType) > MaxWidth) { |
| 2402 | assert(MaxWidth == 64 && "Diagnostic unexpectedly inaccurate")((void)0); |
| 2403 | Diag(DRE->getBeginLoc(), diag::err_atomic_exclusive_builtin_pointer_size) |
| 2404 | << PointerArg->getType() << PointerArg->getSourceRange(); |
| 2405 | return true; |
| 2406 | } |
| 2407 | |
| 2408 | switch (ValType.getObjCLifetime()) { |
| 2409 | case Qualifiers::OCL_None: |
| 2410 | case Qualifiers::OCL_ExplicitNone: |
| 2411 | // okay |
| 2412 | break; |
| 2413 | |
| 2414 | case Qualifiers::OCL_Weak: |
| 2415 | case Qualifiers::OCL_Strong: |
| 2416 | case Qualifiers::OCL_Autoreleasing: |
| 2417 | Diag(DRE->getBeginLoc(), diag::err_arc_atomic_ownership) |
| 2418 | << ValType << PointerArg->getSourceRange(); |
| 2419 | return true; |
| 2420 | } |
| 2421 | |
| 2422 | if (IsLdrex) { |
| 2423 | TheCall->setType(ValType); |
| 2424 | return false; |
| 2425 | } |
| 2426 | |
| 2427 | // Initialize the argument to be stored. |
| 2428 | ExprResult ValArg = TheCall->getArg(0); |
| 2429 | InitializedEntity Entity = InitializedEntity::InitializeParameter( |
| 2430 | Context, ValType, /*consume*/ false); |
| 2431 | ValArg = PerformCopyInitialization(Entity, SourceLocation(), ValArg); |
| 2432 | if (ValArg.isInvalid()) |
| 2433 | return true; |
| 2434 | TheCall->setArg(0, ValArg.get()); |
| 2435 | |
| 2436 | // __builtin_arm_strex always returns an int. It's marked as such in the .def, |
| 2437 | // but the custom checker bypasses all default analysis. |
| 2438 | TheCall->setType(Context.IntTy); |
| 2439 | return false; |
| 2440 | } |
| 2441 | |
| 2442 | bool Sema::CheckARMBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
| 2443 | CallExpr *TheCall) { |
| 2444 | if (BuiltinID == ARM::BI__builtin_arm_ldrex || |
| 2445 | BuiltinID == ARM::BI__builtin_arm_ldaex || |
| 2446 | BuiltinID == ARM::BI__builtin_arm_strex || |
| 2447 | BuiltinID == ARM::BI__builtin_arm_stlex) { |
| 2448 | return CheckARMBuiltinExclusiveCall(BuiltinID, TheCall, 64); |
| 2449 | } |
| 2450 | |
| 2451 | if (BuiltinID == ARM::BI__builtin_arm_prefetch) { |
| 2452 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 1) || |
| 2453 | SemaBuiltinConstantArgRange(TheCall, 2, 0, 1); |
| 2454 | } |
| 2455 | |
| 2456 | if (BuiltinID == ARM::BI__builtin_arm_rsr64 || |
| 2457 | BuiltinID == ARM::BI__builtin_arm_wsr64) |
| 2458 | return SemaBuiltinARMSpecialReg(BuiltinID, TheCall, 0, 3, false); |
| 2459 | |
| 2460 | if (BuiltinID == ARM::BI__builtin_arm_rsr || |
| 2461 | BuiltinID == ARM::BI__builtin_arm_rsrp || |
| 2462 | BuiltinID == ARM::BI__builtin_arm_wsr || |
| 2463 | BuiltinID == ARM::BI__builtin_arm_wsrp) |
| 2464 | return SemaBuiltinARMSpecialReg(BuiltinID, TheCall, 0, 5, true); |
| 2465 | |
| 2466 | if (CheckNeonBuiltinFunctionCall(TI, BuiltinID, TheCall)) |
| 2467 | return true; |
| 2468 | if (CheckMVEBuiltinFunctionCall(BuiltinID, TheCall)) |
| 2469 | return true; |
| 2470 | if (CheckCDEBuiltinFunctionCall(TI, BuiltinID, TheCall)) |
| 2471 | return true; |
| 2472 | |
| 2473 | // For intrinsics which take an immediate value as part of the instruction, |
| 2474 | // range check them here. |
| 2475 | // FIXME: VFP Intrinsics should error if VFP not present. |
| 2476 | switch (BuiltinID) { |
| 2477 | default: return false; |
| 2478 | case ARM::BI__builtin_arm_ssat: |
| 2479 | return SemaBuiltinConstantArgRange(TheCall, 1, 1, 32); |
| 2480 | case ARM::BI__builtin_arm_usat: |
| 2481 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 31); |
| 2482 | case ARM::BI__builtin_arm_ssat16: |
| 2483 | return SemaBuiltinConstantArgRange(TheCall, 1, 1, 16); |
| 2484 | case ARM::BI__builtin_arm_usat16: |
| 2485 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 15); |
| 2486 | case ARM::BI__builtin_arm_vcvtr_f: |
| 2487 | case ARM::BI__builtin_arm_vcvtr_d: |
| 2488 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 1); |
| 2489 | case ARM::BI__builtin_arm_dmb: |
| 2490 | case ARM::BI__builtin_arm_dsb: |
| 2491 | case ARM::BI__builtin_arm_isb: |
| 2492 | case ARM::BI__builtin_arm_dbg: |
| 2493 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 15); |
| 2494 | case ARM::BI__builtin_arm_cdp: |
| 2495 | case ARM::BI__builtin_arm_cdp2: |
| 2496 | case ARM::BI__builtin_arm_mcr: |
| 2497 | case ARM::BI__builtin_arm_mcr2: |
| 2498 | case ARM::BI__builtin_arm_mrc: |
| 2499 | case ARM::BI__builtin_arm_mrc2: |
| 2500 | case ARM::BI__builtin_arm_mcrr: |
| 2501 | case ARM::BI__builtin_arm_mcrr2: |
| 2502 | case ARM::BI__builtin_arm_mrrc: |
| 2503 | case ARM::BI__builtin_arm_mrrc2: |
| 2504 | case ARM::BI__builtin_arm_ldc: |
| 2505 | case ARM::BI__builtin_arm_ldcl: |
| 2506 | case ARM::BI__builtin_arm_ldc2: |
| 2507 | case ARM::BI__builtin_arm_ldc2l: |
| 2508 | case ARM::BI__builtin_arm_stc: |
| 2509 | case ARM::BI__builtin_arm_stcl: |
| 2510 | case ARM::BI__builtin_arm_stc2: |
| 2511 | case ARM::BI__builtin_arm_stc2l: |
| 2512 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 15) || |
| 2513 | CheckARMCoprocessorImmediate(TI, TheCall->getArg(0), |
| 2514 | /*WantCDE*/ false); |
| 2515 | } |
| 2516 | } |
| 2517 | |
| 2518 | bool Sema::CheckAArch64BuiltinFunctionCall(const TargetInfo &TI, |
| 2519 | unsigned BuiltinID, |
| 2520 | CallExpr *TheCall) { |
| 2521 | if (BuiltinID == AArch64::BI__builtin_arm_ldrex || |
| 2522 | BuiltinID == AArch64::BI__builtin_arm_ldaex || |
| 2523 | BuiltinID == AArch64::BI__builtin_arm_strex || |
| 2524 | BuiltinID == AArch64::BI__builtin_arm_stlex) { |
| 2525 | return CheckARMBuiltinExclusiveCall(BuiltinID, TheCall, 128); |
| 2526 | } |
| 2527 | |
| 2528 | if (BuiltinID == AArch64::BI__builtin_arm_prefetch) { |
| 2529 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 1) || |
| 2530 | SemaBuiltinConstantArgRange(TheCall, 2, 0, 2) || |
| 2531 | SemaBuiltinConstantArgRange(TheCall, 3, 0, 1) || |
| 2532 | SemaBuiltinConstantArgRange(TheCall, 4, 0, 1); |
| 2533 | } |
| 2534 | |
| 2535 | if (BuiltinID == AArch64::BI__builtin_arm_rsr64 || |
| 2536 | BuiltinID == AArch64::BI__builtin_arm_wsr64) |
| 2537 | return SemaBuiltinARMSpecialReg(BuiltinID, TheCall, 0, 5, true); |
| 2538 | |
| 2539 | // Memory Tagging Extensions (MTE) Intrinsics |
| 2540 | if (BuiltinID == AArch64::BI__builtin_arm_irg || |
| 2541 | BuiltinID == AArch64::BI__builtin_arm_addg || |
| 2542 | BuiltinID == AArch64::BI__builtin_arm_gmi || |
| 2543 | BuiltinID == AArch64::BI__builtin_arm_ldg || |
| 2544 | BuiltinID == AArch64::BI__builtin_arm_stg || |
| 2545 | BuiltinID == AArch64::BI__builtin_arm_subp) { |
| 2546 | return SemaBuiltinARMMemoryTaggingCall(BuiltinID, TheCall); |
| 2547 | } |
| 2548 | |
| 2549 | if (BuiltinID == AArch64::BI__builtin_arm_rsr || |
| 2550 | BuiltinID == AArch64::BI__builtin_arm_rsrp || |
| 2551 | BuiltinID == AArch64::BI__builtin_arm_wsr || |
| 2552 | BuiltinID == AArch64::BI__builtin_arm_wsrp) |
| 2553 | return SemaBuiltinARMSpecialReg(BuiltinID, TheCall, 0, 5, true); |
| 2554 | |
| 2555 | // Only check the valid encoding range. Any constant in this range would be |
| 2556 | // converted to a register of the form S1_2_C3_C4_5. Let the hardware throw |
| 2557 | // an exception for incorrect registers. This matches MSVC behavior. |
| 2558 | if (BuiltinID == AArch64::BI_ReadStatusReg || |
| 2559 | BuiltinID == AArch64::BI_WriteStatusReg) |
| 2560 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 0x7fff); |
| 2561 | |
| 2562 | if (BuiltinID == AArch64::BI__getReg) |
| 2563 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 31); |
| 2564 | |
| 2565 | if (CheckNeonBuiltinFunctionCall(TI, BuiltinID, TheCall)) |
| 2566 | return true; |
| 2567 | |
| 2568 | if (CheckSVEBuiltinFunctionCall(BuiltinID, TheCall)) |
| 2569 | return true; |
| 2570 | |
| 2571 | // For intrinsics which take an immediate value as part of the instruction, |
| 2572 | // range check them here. |
| 2573 | unsigned i = 0, l = 0, u = 0; |
| 2574 | switch (BuiltinID) { |
| 2575 | default: return false; |
| 2576 | case AArch64::BI__builtin_arm_dmb: |
| 2577 | case AArch64::BI__builtin_arm_dsb: |
| 2578 | case AArch64::BI__builtin_arm_isb: l = 0; u = 15; break; |
| 2579 | case AArch64::BI__builtin_arm_tcancel: l = 0; u = 65535; break; |
| 2580 | } |
| 2581 | |
| 2582 | return SemaBuiltinConstantArgRange(TheCall, i, l, u + l); |
| 2583 | } |
| 2584 | |
| 2585 | static bool isValidBPFPreserveFieldInfoArg(Expr *Arg) { |
| 2586 | if (Arg->getType()->getAsPlaceholderType()) |
| 2587 | return false; |
| 2588 | |
| 2589 | // The first argument needs to be a record field access. |
| 2590 | // If it is an array element access, we delay decision |
| 2591 | // to BPF backend to check whether the access is a |
| 2592 | // field access or not. |
| 2593 | return (Arg->IgnoreParens()->getObjectKind() == OK_BitField || |
| 2594 | dyn_cast<MemberExpr>(Arg->IgnoreParens()) || |
| 2595 | dyn_cast<ArraySubscriptExpr>(Arg->IgnoreParens())); |
| 2596 | } |
| 2597 | |
| 2598 | static bool isEltOfVectorTy(ASTContext &Context, CallExpr *Call, Sema &S, |
| 2599 | QualType VectorTy, QualType EltTy) { |
| 2600 | QualType VectorEltTy = VectorTy->castAs<VectorType>()->getElementType(); |
| 2601 | if (!Context.hasSameType(VectorEltTy, EltTy)) { |
| 2602 | S.Diag(Call->getBeginLoc(), diag::err_typecheck_call_different_arg_types) |
| 2603 | << Call->getSourceRange() << VectorEltTy << EltTy; |
| 2604 | return false; |
| 2605 | } |
| 2606 | return true; |
| 2607 | } |
| 2608 | |
| 2609 | static bool isValidBPFPreserveTypeInfoArg(Expr *Arg) { |
| 2610 | QualType ArgType = Arg->getType(); |
| 2611 | if (ArgType->getAsPlaceholderType()) |
| 2612 | return false; |
| 2613 | |
| 2614 | // for TYPE_EXISTENCE/TYPE_SIZEOF reloc type |
| 2615 | // format: |
| 2616 | // 1. __builtin_preserve_type_info(*(<type> *)0, flag); |
| 2617 | // 2. <type> var; |
| 2618 | // __builtin_preserve_type_info(var, flag); |
| 2619 | if (!dyn_cast<DeclRefExpr>(Arg->IgnoreParens()) && |
| 2620 | !dyn_cast<UnaryOperator>(Arg->IgnoreParens())) |
| 2621 | return false; |
| 2622 | |
| 2623 | // Typedef type. |
| 2624 | if (ArgType->getAs<TypedefType>()) |
| 2625 | return true; |
| 2626 | |
| 2627 | // Record type or Enum type. |
| 2628 | const Type *Ty = ArgType->getUnqualifiedDesugaredType(); |
| 2629 | if (const auto *RT = Ty->getAs<RecordType>()) { |
| 2630 | if (!RT->getDecl()->getDeclName().isEmpty()) |
| 2631 | return true; |
| 2632 | } else if (const auto *ET = Ty->getAs<EnumType>()) { |
| 2633 | if (!ET->getDecl()->getDeclName().isEmpty()) |
| 2634 | return true; |
| 2635 | } |
| 2636 | |
| 2637 | return false; |
| 2638 | } |
| 2639 | |
| 2640 | static bool isValidBPFPreserveEnumValueArg(Expr *Arg) { |
| 2641 | QualType ArgType = Arg->getType(); |
| 2642 | if (ArgType->getAsPlaceholderType()) |
| 2643 | return false; |
| 2644 | |
| 2645 | // for ENUM_VALUE_EXISTENCE/ENUM_VALUE reloc type |
| 2646 | // format: |
| 2647 | // __builtin_preserve_enum_value(*(<enum_type> *)<enum_value>, |
| 2648 | // flag); |
| 2649 | const auto *UO = dyn_cast<UnaryOperator>(Arg->IgnoreParens()); |
| 2650 | if (!UO) |
| 2651 | return false; |
| 2652 | |
| 2653 | const auto *CE = dyn_cast<CStyleCastExpr>(UO->getSubExpr()); |
| 2654 | if (!CE) |
| 2655 | return false; |
| 2656 | if (CE->getCastKind() != CK_IntegralToPointer && |
| 2657 | CE->getCastKind() != CK_NullToPointer) |
| 2658 | return false; |
| 2659 | |
| 2660 | // The integer must be from an EnumConstantDecl. |
| 2661 | const auto *DR = dyn_cast<DeclRefExpr>(CE->getSubExpr()); |
| 2662 | if (!DR) |
| 2663 | return false; |
| 2664 | |
| 2665 | const EnumConstantDecl *Enumerator = |
| 2666 | dyn_cast<EnumConstantDecl>(DR->getDecl()); |
| 2667 | if (!Enumerator) |
| 2668 | return false; |
| 2669 | |
| 2670 | // The type must be EnumType. |
| 2671 | const Type *Ty = ArgType->getUnqualifiedDesugaredType(); |
| 2672 | const auto *ET = Ty->getAs<EnumType>(); |
| 2673 | if (!ET) |
| 2674 | return false; |
| 2675 | |
| 2676 | // The enum value must be supported. |
| 2677 | for (auto *EDI : ET->getDecl()->enumerators()) { |
| 2678 | if (EDI == Enumerator) |
| 2679 | return true; |
| 2680 | } |
| 2681 | |
| 2682 | return false; |
| 2683 | } |
| 2684 | |
| 2685 | bool Sema::CheckBPFBuiltinFunctionCall(unsigned BuiltinID, |
| 2686 | CallExpr *TheCall) { |
| 2687 | assert((BuiltinID == BPF::BI__builtin_preserve_field_info ||((void)0) |
| 2688 | BuiltinID == BPF::BI__builtin_btf_type_id ||((void)0) |
| 2689 | BuiltinID == BPF::BI__builtin_preserve_type_info ||((void)0) |
| 2690 | BuiltinID == BPF::BI__builtin_preserve_enum_value) &&((void)0) |
| 2691 | "unexpected BPF builtin")((void)0); |
| 2692 | |
| 2693 | if (checkArgCount(*this, TheCall, 2)) |
| 2694 | return true; |
| 2695 | |
| 2696 | // The second argument needs to be a constant int |
| 2697 | Expr *Arg = TheCall->getArg(1); |
| 2698 | Optional<llvm::APSInt> Value = Arg->getIntegerConstantExpr(Context); |
| 2699 | diag::kind kind; |
| 2700 | if (!Value) { |
| 2701 | if (BuiltinID == BPF::BI__builtin_preserve_field_info) |
| 2702 | kind = diag::err_preserve_field_info_not_const; |
| 2703 | else if (BuiltinID == BPF::BI__builtin_btf_type_id) |
| 2704 | kind = diag::err_btf_type_id_not_const; |
| 2705 | else if (BuiltinID == BPF::BI__builtin_preserve_type_info) |
| 2706 | kind = diag::err_preserve_type_info_not_const; |
| 2707 | else |
| 2708 | kind = diag::err_preserve_enum_value_not_const; |
| 2709 | Diag(Arg->getBeginLoc(), kind) << 2 << Arg->getSourceRange(); |
| 2710 | return true; |
| 2711 | } |
| 2712 | |
| 2713 | // The first argument |
| 2714 | Arg = TheCall->getArg(0); |
| 2715 | bool InvalidArg = false; |
| 2716 | bool ReturnUnsignedInt = true; |
| 2717 | if (BuiltinID == BPF::BI__builtin_preserve_field_info) { |
| 2718 | if (!isValidBPFPreserveFieldInfoArg(Arg)) { |
| 2719 | InvalidArg = true; |
| 2720 | kind = diag::err_preserve_field_info_not_field; |
| 2721 | } |
| 2722 | } else if (BuiltinID == BPF::BI__builtin_preserve_type_info) { |
| 2723 | if (!isValidBPFPreserveTypeInfoArg(Arg)) { |
| 2724 | InvalidArg = true; |
| 2725 | kind = diag::err_preserve_type_info_invalid; |
| 2726 | } |
| 2727 | } else if (BuiltinID == BPF::BI__builtin_preserve_enum_value) { |
| 2728 | if (!isValidBPFPreserveEnumValueArg(Arg)) { |
| 2729 | InvalidArg = true; |
| 2730 | kind = diag::err_preserve_enum_value_invalid; |
| 2731 | } |
| 2732 | ReturnUnsignedInt = false; |
| 2733 | } else if (BuiltinID == BPF::BI__builtin_btf_type_id) { |
| 2734 | ReturnUnsignedInt = false; |
| 2735 | } |
| 2736 | |
| 2737 | if (InvalidArg) { |
| 2738 | Diag(Arg->getBeginLoc(), kind) << 1 << Arg->getSourceRange(); |
| 2739 | return true; |
| 2740 | } |
| 2741 | |
| 2742 | if (ReturnUnsignedInt) |
| 2743 | TheCall->setType(Context.UnsignedIntTy); |
| 2744 | else |
| 2745 | TheCall->setType(Context.UnsignedLongTy); |
| 2746 | return false; |
| 2747 | } |
| 2748 | |
| 2749 | bool Sema::CheckHexagonBuiltinArgument(unsigned BuiltinID, CallExpr *TheCall) { |
| 2750 | struct ArgInfo { |
| 2751 | uint8_t OpNum; |
| 2752 | bool IsSigned; |
| 2753 | uint8_t BitWidth; |
| 2754 | uint8_t Align; |
| 2755 | }; |
| 2756 | struct BuiltinInfo { |
| 2757 | unsigned BuiltinID; |
| 2758 | ArgInfo Infos[2]; |
| 2759 | }; |
| 2760 | |
| 2761 | static BuiltinInfo Infos[] = { |
| 2762 | { Hexagon::BI__builtin_circ_ldd, {{ 3, true, 4, 3 }} }, |
| 2763 | { Hexagon::BI__builtin_circ_ldw, {{ 3, true, 4, 2 }} }, |
| 2764 | { Hexagon::BI__builtin_circ_ldh, {{ 3, true, 4, 1 }} }, |
| 2765 | { Hexagon::BI__builtin_circ_lduh, {{ 3, true, 4, 1 }} }, |
| 2766 | { Hexagon::BI__builtin_circ_ldb, {{ 3, true, 4, 0 }} }, |
| 2767 | { Hexagon::BI__builtin_circ_ldub, {{ 3, true, 4, 0 }} }, |
| 2768 | { Hexagon::BI__builtin_circ_std, {{ 3, true, 4, 3 }} }, |
| 2769 | { Hexagon::BI__builtin_circ_stw, {{ 3, true, 4, 2 }} }, |
| 2770 | { Hexagon::BI__builtin_circ_sth, {{ 3, true, 4, 1 }} }, |
| 2771 | { Hexagon::BI__builtin_circ_sthhi, {{ 3, true, 4, 1 }} }, |
| 2772 | { Hexagon::BI__builtin_circ_stb, {{ 3, true, 4, 0 }} }, |
| 2773 | |
| 2774 | { Hexagon::BI__builtin_HEXAGON_L2_loadrub_pci, {{ 1, true, 4, 0 }} }, |
| 2775 | { Hexagon::BI__builtin_HEXAGON_L2_loadrb_pci, {{ 1, true, 4, 0 }} }, |
| 2776 | { Hexagon::BI__builtin_HEXAGON_L2_loadruh_pci, {{ 1, true, 4, 1 }} }, |
| 2777 | { Hexagon::BI__builtin_HEXAGON_L2_loadrh_pci, {{ 1, true, 4, 1 }} }, |
| 2778 | { Hexagon::BI__builtin_HEXAGON_L2_loadri_pci, {{ 1, true, 4, 2 }} }, |
| 2779 | { Hexagon::BI__builtin_HEXAGON_L2_loadrd_pci, {{ 1, true, 4, 3 }} }, |
| 2780 | { Hexagon::BI__builtin_HEXAGON_S2_storerb_pci, {{ 1, true, 4, 0 }} }, |
| 2781 | { Hexagon::BI__builtin_HEXAGON_S2_storerh_pci, {{ 1, true, 4, 1 }} }, |
| 2782 | { Hexagon::BI__builtin_HEXAGON_S2_storerf_pci, {{ 1, true, 4, 1 }} }, |
| 2783 | { Hexagon::BI__builtin_HEXAGON_S2_storeri_pci, {{ 1, true, 4, 2 }} }, |
| 2784 | { Hexagon::BI__builtin_HEXAGON_S2_storerd_pci, {{ 1, true, 4, 3 }} }, |
| 2785 | |
| 2786 | { Hexagon::BI__builtin_HEXAGON_A2_combineii, {{ 1, true, 8, 0 }} }, |
| 2787 | { Hexagon::BI__builtin_HEXAGON_A2_tfrih, {{ 1, false, 16, 0 }} }, |
| 2788 | { Hexagon::BI__builtin_HEXAGON_A2_tfril, {{ 1, false, 16, 0 }} }, |
| 2789 | { Hexagon::BI__builtin_HEXAGON_A2_tfrpi, {{ 0, true, 8, 0 }} }, |
| 2790 | { Hexagon::BI__builtin_HEXAGON_A4_bitspliti, {{ 1, false, 5, 0 }} }, |
| 2791 | { Hexagon::BI__builtin_HEXAGON_A4_cmpbeqi, {{ 1, false, 8, 0 }} }, |
| 2792 | { Hexagon::BI__builtin_HEXAGON_A4_cmpbgti, {{ 1, true, 8, 0 }} }, |
| 2793 | { Hexagon::BI__builtin_HEXAGON_A4_cround_ri, {{ 1, false, 5, 0 }} }, |
| 2794 | { Hexagon::BI__builtin_HEXAGON_A4_round_ri, {{ 1, false, 5, 0 }} }, |
| 2795 | { Hexagon::BI__builtin_HEXAGON_A4_round_ri_sat, {{ 1, false, 5, 0 }} }, |
| 2796 | { Hexagon::BI__builtin_HEXAGON_A4_vcmpbeqi, {{ 1, false, 8, 0 }} }, |
| 2797 | { Hexagon::BI__builtin_HEXAGON_A4_vcmpbgti, {{ 1, true, 8, 0 }} }, |
| 2798 | { Hexagon::BI__builtin_HEXAGON_A4_vcmpbgtui, {{ 1, false, 7, 0 }} }, |
| 2799 | { Hexagon::BI__builtin_HEXAGON_A4_vcmpheqi, {{ 1, true, 8, 0 }} }, |
| 2800 | { Hexagon::BI__builtin_HEXAGON_A4_vcmphgti, {{ 1, true, 8, 0 }} }, |
| 2801 | { Hexagon::BI__builtin_HEXAGON_A4_vcmphgtui, {{ 1, false, 7, 0 }} }, |
| 2802 | { Hexagon::BI__builtin_HEXAGON_A4_vcmpweqi, {{ 1, true, 8, 0 }} }, |
| 2803 | { Hexagon::BI__builtin_HEXAGON_A4_vcmpwgti, {{ 1, true, 8, 0 }} }, |
| 2804 | { Hexagon::BI__builtin_HEXAGON_A4_vcmpwgtui, {{ 1, false, 7, 0 }} }, |
| 2805 | { Hexagon::BI__builtin_HEXAGON_C2_bitsclri, {{ 1, false, 6, 0 }} }, |
| 2806 | { Hexagon::BI__builtin_HEXAGON_C2_muxii, {{ 2, true, 8, 0 }} }, |
| 2807 | { Hexagon::BI__builtin_HEXAGON_C4_nbitsclri, {{ 1, false, 6, 0 }} }, |
| 2808 | { Hexagon::BI__builtin_HEXAGON_F2_dfclass, {{ 1, false, 5, 0 }} }, |
| 2809 | { Hexagon::BI__builtin_HEXAGON_F2_dfimm_n, {{ 0, false, 10, 0 }} }, |
| 2810 | { Hexagon::BI__builtin_HEXAGON_F2_dfimm_p, {{ 0, false, 10, 0 }} }, |
| 2811 | { Hexagon::BI__builtin_HEXAGON_F2_sfclass, {{ 1, false, 5, 0 }} }, |
| 2812 | { Hexagon::BI__builtin_HEXAGON_F2_sfimm_n, {{ 0, false, 10, 0 }} }, |
| 2813 | { Hexagon::BI__builtin_HEXAGON_F2_sfimm_p, {{ 0, false, 10, 0 }} }, |
| 2814 | { Hexagon::BI__builtin_HEXAGON_M4_mpyri_addi, {{ 2, false, 6, 0 }} }, |
| 2815 | { Hexagon::BI__builtin_HEXAGON_M4_mpyri_addr_u2, {{ 1, false, 6, 2 }} }, |
| 2816 | { Hexagon::BI__builtin_HEXAGON_S2_addasl_rrri, {{ 2, false, 3, 0 }} }, |
| 2817 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_acc, {{ 2, false, 6, 0 }} }, |
| 2818 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_and, {{ 2, false, 6, 0 }} }, |
| 2819 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_p, {{ 1, false, 6, 0 }} }, |
| 2820 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_nac, {{ 2, false, 6, 0 }} }, |
| 2821 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_or, {{ 2, false, 6, 0 }} }, |
| 2822 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_p_xacc, {{ 2, false, 6, 0 }} }, |
| 2823 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_acc, {{ 2, false, 5, 0 }} }, |
| 2824 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_and, {{ 2, false, 5, 0 }} }, |
| 2825 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_r, {{ 1, false, 5, 0 }} }, |
| 2826 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_nac, {{ 2, false, 5, 0 }} }, |
| 2827 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_or, {{ 2, false, 5, 0 }} }, |
| 2828 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_sat, {{ 1, false, 5, 0 }} }, |
| 2829 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_r_xacc, {{ 2, false, 5, 0 }} }, |
| 2830 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_vh, {{ 1, false, 4, 0 }} }, |
| 2831 | { Hexagon::BI__builtin_HEXAGON_S2_asl_i_vw, {{ 1, false, 5, 0 }} }, |
| 2832 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_acc, {{ 2, false, 6, 0 }} }, |
| 2833 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_and, {{ 2, false, 6, 0 }} }, |
| 2834 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_p, {{ 1, false, 6, 0 }} }, |
| 2835 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_nac, {{ 2, false, 6, 0 }} }, |
| 2836 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_or, {{ 2, false, 6, 0 }} }, |
| 2837 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_rnd_goodsyntax, |
| 2838 | {{ 1, false, 6, 0 }} }, |
| 2839 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_p_rnd, {{ 1, false, 6, 0 }} }, |
| 2840 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_acc, {{ 2, false, 5, 0 }} }, |
| 2841 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_and, {{ 2, false, 5, 0 }} }, |
| 2842 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_r, {{ 1, false, 5, 0 }} }, |
| 2843 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_nac, {{ 2, false, 5, 0 }} }, |
| 2844 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_or, {{ 2, false, 5, 0 }} }, |
| 2845 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_rnd_goodsyntax, |
| 2846 | {{ 1, false, 5, 0 }} }, |
| 2847 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_r_rnd, {{ 1, false, 5, 0 }} }, |
| 2848 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_svw_trun, {{ 1, false, 5, 0 }} }, |
| 2849 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_vh, {{ 1, false, 4, 0 }} }, |
| 2850 | { Hexagon::BI__builtin_HEXAGON_S2_asr_i_vw, {{ 1, false, 5, 0 }} }, |
| 2851 | { Hexagon::BI__builtin_HEXAGON_S2_clrbit_i, {{ 1, false, 5, 0 }} }, |
| 2852 | { Hexagon::BI__builtin_HEXAGON_S2_extractu, {{ 1, false, 5, 0 }, |
| 2853 | { 2, false, 5, 0 }} }, |
| 2854 | { Hexagon::BI__builtin_HEXAGON_S2_extractup, {{ 1, false, 6, 0 }, |
| 2855 | { 2, false, 6, 0 }} }, |
| 2856 | { Hexagon::BI__builtin_HEXAGON_S2_insert, {{ 2, false, 5, 0 }, |
| 2857 | { 3, false, 5, 0 }} }, |
| 2858 | { Hexagon::BI__builtin_HEXAGON_S2_insertp, {{ 2, false, 6, 0 }, |
| 2859 | { 3, false, 6, 0 }} }, |
| 2860 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_acc, {{ 2, false, 6, 0 }} }, |
| 2861 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_and, {{ 2, false, 6, 0 }} }, |
| 2862 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p, {{ 1, false, 6, 0 }} }, |
| 2863 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_nac, {{ 2, false, 6, 0 }} }, |
| 2864 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_or, {{ 2, false, 6, 0 }} }, |
| 2865 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_p_xacc, {{ 2, false, 6, 0 }} }, |
| 2866 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_acc, {{ 2, false, 5, 0 }} }, |
| 2867 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_and, {{ 2, false, 5, 0 }} }, |
| 2868 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r, {{ 1, false, 5, 0 }} }, |
| 2869 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_nac, {{ 2, false, 5, 0 }} }, |
| 2870 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_or, {{ 2, false, 5, 0 }} }, |
| 2871 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_r_xacc, {{ 2, false, 5, 0 }} }, |
| 2872 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_vh, {{ 1, false, 4, 0 }} }, |
| 2873 | { Hexagon::BI__builtin_HEXAGON_S2_lsr_i_vw, {{ 1, false, 5, 0 }} }, |
| 2874 | { Hexagon::BI__builtin_HEXAGON_S2_setbit_i, {{ 1, false, 5, 0 }} }, |
| 2875 | { Hexagon::BI__builtin_HEXAGON_S2_tableidxb_goodsyntax, |
| 2876 | {{ 2, false, 4, 0 }, |
| 2877 | { 3, false, 5, 0 }} }, |
| 2878 | { Hexagon::BI__builtin_HEXAGON_S2_tableidxd_goodsyntax, |
| 2879 | {{ 2, false, 4, 0 }, |
| 2880 | { 3, false, 5, 0 }} }, |
| 2881 | { Hexagon::BI__builtin_HEXAGON_S2_tableidxh_goodsyntax, |
| 2882 | {{ 2, false, 4, 0 }, |
| 2883 | { 3, false, 5, 0 }} }, |
| 2884 | { Hexagon::BI__builtin_HEXAGON_S2_tableidxw_goodsyntax, |
| 2885 | {{ 2, false, 4, 0 }, |
| 2886 | { 3, false, 5, 0 }} }, |
| 2887 | { Hexagon::BI__builtin_HEXAGON_S2_togglebit_i, {{ 1, false, 5, 0 }} }, |
| 2888 | { Hexagon::BI__builtin_HEXAGON_S2_tstbit_i, {{ 1, false, 5, 0 }} }, |
| 2889 | { Hexagon::BI__builtin_HEXAGON_S2_valignib, {{ 2, false, 3, 0 }} }, |
| 2890 | { Hexagon::BI__builtin_HEXAGON_S2_vspliceib, {{ 2, false, 3, 0 }} }, |
| 2891 | { Hexagon::BI__builtin_HEXAGON_S4_addi_asl_ri, {{ 2, false, 5, 0 }} }, |
| 2892 | { Hexagon::BI__builtin_HEXAGON_S4_addi_lsr_ri, {{ 2, false, 5, 0 }} }, |
| 2893 | { Hexagon::BI__builtin_HEXAGON_S4_andi_asl_ri, {{ 2, false, 5, 0 }} }, |
| 2894 | { Hexagon::BI__builtin_HEXAGON_S4_andi_lsr_ri, {{ 2, false, 5, 0 }} }, |
| 2895 | { Hexagon::BI__builtin_HEXAGON_S4_clbaddi, {{ 1, true , 6, 0 }} }, |
| 2896 | { Hexagon::BI__builtin_HEXAGON_S4_clbpaddi, {{ 1, true, 6, 0 }} }, |
| 2897 | { Hexagon::BI__builtin_HEXAGON_S4_extract, {{ 1, false, 5, 0 }, |
| 2898 | { 2, false, 5, 0 }} }, |
| 2899 | { Hexagon::BI__builtin_HEXAGON_S4_extractp, {{ 1, false, 6, 0 }, |
| 2900 | { 2, false, 6, 0 }} }, |
| 2901 | { Hexagon::BI__builtin_HEXAGON_S4_lsli, {{ 0, true, 6, 0 }} }, |
| 2902 | { Hexagon::BI__builtin_HEXAGON_S4_ntstbit_i, {{ 1, false, 5, 0 }} }, |
| 2903 | { Hexagon::BI__builtin_HEXAGON_S4_ori_asl_ri, {{ 2, false, 5, 0 }} }, |
| 2904 | { Hexagon::BI__builtin_HEXAGON_S4_ori_lsr_ri, {{ 2, false, 5, 0 }} }, |
| 2905 | { Hexagon::BI__builtin_HEXAGON_S4_subi_asl_ri, {{ 2, false, 5, 0 }} }, |
| 2906 | { Hexagon::BI__builtin_HEXAGON_S4_subi_lsr_ri, {{ 2, false, 5, 0 }} }, |
| 2907 | { Hexagon::BI__builtin_HEXAGON_S4_vrcrotate_acc, {{ 3, false, 2, 0 }} }, |
| 2908 | { Hexagon::BI__builtin_HEXAGON_S4_vrcrotate, {{ 2, false, 2, 0 }} }, |
| 2909 | { Hexagon::BI__builtin_HEXAGON_S5_asrhub_rnd_sat_goodsyntax, |
| 2910 | {{ 1, false, 4, 0 }} }, |
| 2911 | { Hexagon::BI__builtin_HEXAGON_S5_asrhub_sat, {{ 1, false, 4, 0 }} }, |
| 2912 | { Hexagon::BI__builtin_HEXAGON_S5_vasrhrnd_goodsyntax, |
| 2913 | {{ 1, false, 4, 0 }} }, |
| 2914 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_p, {{ 1, false, 6, 0 }} }, |
| 2915 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_p_acc, {{ 2, false, 6, 0 }} }, |
| 2916 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_p_and, {{ 2, false, 6, 0 }} }, |
| 2917 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_p_nac, {{ 2, false, 6, 0 }} }, |
| 2918 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_p_or, {{ 2, false, 6, 0 }} }, |
| 2919 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_p_xacc, {{ 2, false, 6, 0 }} }, |
| 2920 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_r, {{ 1, false, 5, 0 }} }, |
| 2921 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_r_acc, {{ 2, false, 5, 0 }} }, |
| 2922 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_r_and, {{ 2, false, 5, 0 }} }, |
| 2923 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_r_nac, {{ 2, false, 5, 0 }} }, |
| 2924 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_r_or, {{ 2, false, 5, 0 }} }, |
| 2925 | { Hexagon::BI__builtin_HEXAGON_S6_rol_i_r_xacc, {{ 2, false, 5, 0 }} }, |
| 2926 | { Hexagon::BI__builtin_HEXAGON_V6_valignbi, {{ 2, false, 3, 0 }} }, |
| 2927 | { Hexagon::BI__builtin_HEXAGON_V6_valignbi_128B, {{ 2, false, 3, 0 }} }, |
| 2928 | { Hexagon::BI__builtin_HEXAGON_V6_vlalignbi, {{ 2, false, 3, 0 }} }, |
| 2929 | { Hexagon::BI__builtin_HEXAGON_V6_vlalignbi_128B, {{ 2, false, 3, 0 }} }, |
| 2930 | { Hexagon::BI__builtin_HEXAGON_V6_vrmpybusi, {{ 2, false, 1, 0 }} }, |
| 2931 | { Hexagon::BI__builtin_HEXAGON_V6_vrmpybusi_128B, {{ 2, false, 1, 0 }} }, |
| 2932 | { Hexagon::BI__builtin_HEXAGON_V6_vrmpybusi_acc, {{ 3, false, 1, 0 }} }, |
| 2933 | { Hexagon::BI__builtin_HEXAGON_V6_vrmpybusi_acc_128B, |
| 2934 | {{ 3, false, 1, 0 }} }, |
| 2935 | { Hexagon::BI__builtin_HEXAGON_V6_vrmpyubi, {{ 2, false, 1, 0 }} }, |
| 2936 | { Hexagon::BI__builtin_HEXAGON_V6_vrmpyubi_128B, {{ 2, false, 1, 0 }} }, |
| 2937 | { Hexagon::BI__builtin_HEXAGON_V6_vrmpyubi_acc, {{ 3, false, 1, 0 }} }, |
| 2938 | { Hexagon::BI__builtin_HEXAGON_V6_vrmpyubi_acc_128B, |
| 2939 | {{ 3, false, 1, 0 }} }, |
| 2940 | { Hexagon::BI__builtin_HEXAGON_V6_vrsadubi, {{ 2, false, 1, 0 }} }, |
| 2941 | { Hexagon::BI__builtin_HEXAGON_V6_vrsadubi_128B, {{ 2, false, 1, 0 }} }, |
| 2942 | { Hexagon::BI__builtin_HEXAGON_V6_vrsadubi_acc, {{ 3, false, 1, 0 }} }, |
| 2943 | { Hexagon::BI__builtin_HEXAGON_V6_vrsadubi_acc_128B, |
| 2944 | {{ 3, false, 1, 0 }} }, |
| 2945 | }; |
| 2946 | |
| 2947 | // Use a dynamically initialized static to sort the table exactly once on |
| 2948 | // first run. |
| 2949 | static const bool SortOnce = |
| 2950 | (llvm::sort(Infos, |
| 2951 | [](const BuiltinInfo &LHS, const BuiltinInfo &RHS) { |
| 2952 | return LHS.BuiltinID < RHS.BuiltinID; |
| 2953 | }), |
| 2954 | true); |
| 2955 | (void)SortOnce; |
| 2956 | |
| 2957 | const BuiltinInfo *F = llvm::partition_point( |
| 2958 | Infos, [=](const BuiltinInfo &BI) { return BI.BuiltinID < BuiltinID; }); |
| 2959 | if (F == std::end(Infos) || F->BuiltinID != BuiltinID) |
| 2960 | return false; |
| 2961 | |
| 2962 | bool Error = false; |
| 2963 | |
| 2964 | for (const ArgInfo &A : F->Infos) { |
| 2965 | // Ignore empty ArgInfo elements. |
| 2966 | if (A.BitWidth == 0) |
| 2967 | continue; |
| 2968 | |
| 2969 | int32_t Min = A.IsSigned ? -(1 << (A.BitWidth - 1)) : 0; |
| 2970 | int32_t Max = (1 << (A.IsSigned ? A.BitWidth - 1 : A.BitWidth)) - 1; |
| 2971 | if (!A.Align) { |
| 2972 | Error |= SemaBuiltinConstantArgRange(TheCall, A.OpNum, Min, Max); |
| 2973 | } else { |
| 2974 | unsigned M = 1 << A.Align; |
| 2975 | Min *= M; |
| 2976 | Max *= M; |
| 2977 | Error |= SemaBuiltinConstantArgRange(TheCall, A.OpNum, Min, Max) | |
| 2978 | SemaBuiltinConstantArgMultiple(TheCall, A.OpNum, M); |
| 2979 | } |
| 2980 | } |
| 2981 | return Error; |
| 2982 | } |
| 2983 | |
| 2984 | bool Sema::CheckHexagonBuiltinFunctionCall(unsigned BuiltinID, |
| 2985 | CallExpr *TheCall) { |
| 2986 | return CheckHexagonBuiltinArgument(BuiltinID, TheCall); |
| 2987 | } |
| 2988 | |
| 2989 | bool Sema::CheckMipsBuiltinFunctionCall(const TargetInfo &TI, |
| 2990 | unsigned BuiltinID, CallExpr *TheCall) { |
| 2991 | return CheckMipsBuiltinCpu(TI, BuiltinID, TheCall) || |
| 2992 | CheckMipsBuiltinArgument(BuiltinID, TheCall); |
| 2993 | } |
| 2994 | |
| 2995 | bool Sema::CheckMipsBuiltinCpu(const TargetInfo &TI, unsigned BuiltinID, |
| 2996 | CallExpr *TheCall) { |
| 2997 | |
| 2998 | if (Mips::BI__builtin_mips_addu_qb <= BuiltinID && |
| 2999 | BuiltinID <= Mips::BI__builtin_mips_lwx) { |
| 3000 | if (!TI.hasFeature("dsp")) |
| 3001 | return Diag(TheCall->getBeginLoc(), diag::err_mips_builtin_requires_dsp); |
| 3002 | } |
| 3003 | |
| 3004 | if (Mips::BI__builtin_mips_absq_s_qb <= BuiltinID && |
| 3005 | BuiltinID <= Mips::BI__builtin_mips_subuh_r_qb) { |
| 3006 | if (!TI.hasFeature("dspr2")) |
| 3007 | return Diag(TheCall->getBeginLoc(), |
| 3008 | diag::err_mips_builtin_requires_dspr2); |
| 3009 | } |
| 3010 | |
| 3011 | if (Mips::BI__builtin_msa_add_a_b <= BuiltinID && |
| 3012 | BuiltinID <= Mips::BI__builtin_msa_xori_b) { |
| 3013 | if (!TI.hasFeature("msa")) |
| 3014 | return Diag(TheCall->getBeginLoc(), diag::err_mips_builtin_requires_msa); |
| 3015 | } |
| 3016 | |
| 3017 | return false; |
| 3018 | } |
| 3019 | |
| 3020 | // CheckMipsBuiltinArgument - Checks the constant value passed to the |
| 3021 | // intrinsic is correct. The switch statement is ordered by DSP, MSA. The |
| 3022 | // ordering for DSP is unspecified. MSA is ordered by the data format used |
| 3023 | // by the underlying instruction i.e., df/m, df/n and then by size. |
| 3024 | // |
| 3025 | // FIXME: The size tests here should instead be tablegen'd along with the |
| 3026 | // definitions from include/clang/Basic/BuiltinsMips.def. |
| 3027 | // FIXME: GCC is strict on signedness for some of these intrinsics, we should |
| 3028 | // be too. |
| 3029 | bool Sema::CheckMipsBuiltinArgument(unsigned BuiltinID, CallExpr *TheCall) { |
| 3030 | unsigned i = 0, l = 0, u = 0, m = 0; |
| 3031 | switch (BuiltinID) { |
| 3032 | default: return false; |
| 3033 | case Mips::BI__builtin_mips_wrdsp: i = 1; l = 0; u = 63; break; |
| 3034 | case Mips::BI__builtin_mips_rddsp: i = 0; l = 0; u = 63; break; |
| 3035 | case Mips::BI__builtin_mips_append: i = 2; l = 0; u = 31; break; |
| 3036 | case Mips::BI__builtin_mips_balign: i = 2; l = 0; u = 3; break; |
| 3037 | case Mips::BI__builtin_mips_precr_sra_ph_w: i = 2; l = 0; u = 31; break; |
| 3038 | case Mips::BI__builtin_mips_precr_sra_r_ph_w: i = 2; l = 0; u = 31; break; |
| 3039 | case Mips::BI__builtin_mips_prepend: i = 2; l = 0; u = 31; break; |
| 3040 | // MSA intrinsics. Instructions (which the intrinsics maps to) which use the |
| 3041 | // df/m field. |
| 3042 | // These intrinsics take an unsigned 3 bit immediate. |
| 3043 | case Mips::BI__builtin_msa_bclri_b: |
| 3044 | case Mips::BI__builtin_msa_bnegi_b: |
| 3045 | case Mips::BI__builtin_msa_bseti_b: |
| 3046 | case Mips::BI__builtin_msa_sat_s_b: |
| 3047 | case Mips::BI__builtin_msa_sat_u_b: |
| 3048 | case Mips::BI__builtin_msa_slli_b: |
| 3049 | case Mips::BI__builtin_msa_srai_b: |
| 3050 | case Mips::BI__builtin_msa_srari_b: |
| 3051 | case Mips::BI__builtin_msa_srli_b: |
| 3052 | case Mips::BI__builtin_msa_srlri_b: i = 1; l = 0; u = 7; break; |
| 3053 | case Mips::BI__builtin_msa_binsli_b: |
| 3054 | case Mips::BI__builtin_msa_binsri_b: i = 2; l = 0; u = 7; break; |
| 3055 | // These intrinsics take an unsigned 4 bit immediate. |
| 3056 | case Mips::BI__builtin_msa_bclri_h: |
| 3057 | case Mips::BI__builtin_msa_bnegi_h: |
| 3058 | case Mips::BI__builtin_msa_bseti_h: |
| 3059 | case Mips::BI__builtin_msa_sat_s_h: |
| 3060 | case Mips::BI__builtin_msa_sat_u_h: |
| 3061 | case Mips::BI__builtin_msa_slli_h: |
| 3062 | case Mips::BI__builtin_msa_srai_h: |
| 3063 | case Mips::BI__builtin_msa_srari_h: |
| 3064 | case Mips::BI__builtin_msa_srli_h: |
| 3065 | case Mips::BI__builtin_msa_srlri_h: i = 1; l = 0; u = 15; break; |
| 3066 | case Mips::BI__builtin_msa_binsli_h: |
| 3067 | case Mips::BI__builtin_msa_binsri_h: i = 2; l = 0; u = 15; break; |
| 3068 | // These intrinsics take an unsigned 5 bit immediate. |
| 3069 | // The first block of intrinsics actually have an unsigned 5 bit field, |
| 3070 | // not a df/n field. |
| 3071 | case Mips::BI__builtin_msa_cfcmsa: |
| 3072 | case Mips::BI__builtin_msa_ctcmsa: i = 0; l = 0; u = 31; break; |
| 3073 | case Mips::BI__builtin_msa_clei_u_b: |
| 3074 | case Mips::BI__builtin_msa_clei_u_h: |
| 3075 | case Mips::BI__builtin_msa_clei_u_w: |
| 3076 | case Mips::BI__builtin_msa_clei_u_d: |
| 3077 | case Mips::BI__builtin_msa_clti_u_b: |
| 3078 | case Mips::BI__builtin_msa_clti_u_h: |
| 3079 | case Mips::BI__builtin_msa_clti_u_w: |
| 3080 | case Mips::BI__builtin_msa_clti_u_d: |
| 3081 | case Mips::BI__builtin_msa_maxi_u_b: |
| 3082 | case Mips::BI__builtin_msa_maxi_u_h: |
| 3083 | case Mips::BI__builtin_msa_maxi_u_w: |
| 3084 | case Mips::BI__builtin_msa_maxi_u_d: |
| 3085 | case Mips::BI__builtin_msa_mini_u_b: |
| 3086 | case Mips::BI__builtin_msa_mini_u_h: |
| 3087 | case Mips::BI__builtin_msa_mini_u_w: |
| 3088 | case Mips::BI__builtin_msa_mini_u_d: |
| 3089 | case Mips::BI__builtin_msa_addvi_b: |
| 3090 | case Mips::BI__builtin_msa_addvi_h: |
| 3091 | case Mips::BI__builtin_msa_addvi_w: |
| 3092 | case Mips::BI__builtin_msa_addvi_d: |
| 3093 | case Mips::BI__builtin_msa_bclri_w: |
| 3094 | case Mips::BI__builtin_msa_bnegi_w: |
| 3095 | case Mips::BI__builtin_msa_bseti_w: |
| 3096 | case Mips::BI__builtin_msa_sat_s_w: |
| 3097 | case Mips::BI__builtin_msa_sat_u_w: |
| 3098 | case Mips::BI__builtin_msa_slli_w: |
| 3099 | case Mips::BI__builtin_msa_srai_w: |
| 3100 | case Mips::BI__builtin_msa_srari_w: |
| 3101 | case Mips::BI__builtin_msa_srli_w: |
| 3102 | case Mips::BI__builtin_msa_srlri_w: |
| 3103 | case Mips::BI__builtin_msa_subvi_b: |
| 3104 | case Mips::BI__builtin_msa_subvi_h: |
| 3105 | case Mips::BI__builtin_msa_subvi_w: |
| 3106 | case Mips::BI__builtin_msa_subvi_d: i = 1; l = 0; u = 31; break; |
| 3107 | case Mips::BI__builtin_msa_binsli_w: |
| 3108 | case Mips::BI__builtin_msa_binsri_w: i = 2; l = 0; u = 31; break; |
| 3109 | // These intrinsics take an unsigned 6 bit immediate. |
| 3110 | case Mips::BI__builtin_msa_bclri_d: |
| 3111 | case Mips::BI__builtin_msa_bnegi_d: |
| 3112 | case Mips::BI__builtin_msa_bseti_d: |
| 3113 | case Mips::BI__builtin_msa_sat_s_d: |
| 3114 | case Mips::BI__builtin_msa_sat_u_d: |
| 3115 | case Mips::BI__builtin_msa_slli_d: |
| 3116 | case Mips::BI__builtin_msa_srai_d: |
| 3117 | case Mips::BI__builtin_msa_srari_d: |
| 3118 | case Mips::BI__builtin_msa_srli_d: |
| 3119 | case Mips::BI__builtin_msa_srlri_d: i = 1; l = 0; u = 63; break; |
| 3120 | case Mips::BI__builtin_msa_binsli_d: |
| 3121 | case Mips::BI__builtin_msa_binsri_d: i = 2; l = 0; u = 63; break; |
| 3122 | // These intrinsics take a signed 5 bit immediate. |
| 3123 | case Mips::BI__builtin_msa_ceqi_b: |
| 3124 | case Mips::BI__builtin_msa_ceqi_h: |
| 3125 | case Mips::BI__builtin_msa_ceqi_w: |
| 3126 | case Mips::BI__builtin_msa_ceqi_d: |
| 3127 | case Mips::BI__builtin_msa_clti_s_b: |
| 3128 | case Mips::BI__builtin_msa_clti_s_h: |
| 3129 | case Mips::BI__builtin_msa_clti_s_w: |
| 3130 | case Mips::BI__builtin_msa_clti_s_d: |
| 3131 | case Mips::BI__builtin_msa_clei_s_b: |
| 3132 | case Mips::BI__builtin_msa_clei_s_h: |
| 3133 | case Mips::BI__builtin_msa_clei_s_w: |
| 3134 | case Mips::BI__builtin_msa_clei_s_d: |
| 3135 | case Mips::BI__builtin_msa_maxi_s_b: |
| 3136 | case Mips::BI__builtin_msa_maxi_s_h: |
| 3137 | case Mips::BI__builtin_msa_maxi_s_w: |
| 3138 | case Mips::BI__builtin_msa_maxi_s_d: |
| 3139 | case Mips::BI__builtin_msa_mini_s_b: |
| 3140 | case Mips::BI__builtin_msa_mini_s_h: |
| 3141 | case Mips::BI__builtin_msa_mini_s_w: |
| 3142 | case Mips::BI__builtin_msa_mini_s_d: i = 1; l = -16; u = 15; break; |
| 3143 | // These intrinsics take an unsigned 8 bit immediate. |
| 3144 | case Mips::BI__builtin_msa_andi_b: |
| 3145 | case Mips::BI__builtin_msa_nori_b: |
| 3146 | case Mips::BI__builtin_msa_ori_b: |
| 3147 | case Mips::BI__builtin_msa_shf_b: |
| 3148 | case Mips::BI__builtin_msa_shf_h: |
| 3149 | case Mips::BI__builtin_msa_shf_w: |
| 3150 | case Mips::BI__builtin_msa_xori_b: i = 1; l = 0; u = 255; break; |
| 3151 | case Mips::BI__builtin_msa_bseli_b: |
| 3152 | case Mips::BI__builtin_msa_bmnzi_b: |
| 3153 | case Mips::BI__builtin_msa_bmzi_b: i = 2; l = 0; u = 255; break; |
| 3154 | // df/n format |
| 3155 | // These intrinsics take an unsigned 4 bit immediate. |
| 3156 | case Mips::BI__builtin_msa_copy_s_b: |
| 3157 | case Mips::BI__builtin_msa_copy_u_b: |
| 3158 | case Mips::BI__builtin_msa_insve_b: |
| 3159 | case Mips::BI__builtin_msa_splati_b: i = 1; l = 0; u = 15; break; |
| 3160 | case Mips::BI__builtin_msa_sldi_b: i = 2; l = 0; u = 15; break; |
| 3161 | // These intrinsics take an unsigned 3 bit immediate. |
| 3162 | case Mips::BI__builtin_msa_copy_s_h: |
| 3163 | case Mips::BI__builtin_msa_copy_u_h: |
| 3164 | case Mips::BI__builtin_msa_insve_h: |
| 3165 | case Mips::BI__builtin_msa_splati_h: i = 1; l = 0; u = 7; break; |
| 3166 | case Mips::BI__builtin_msa_sldi_h: i = 2; l = 0; u = 7; break; |
| 3167 | // These intrinsics take an unsigned 2 bit immediate. |
| 3168 | case Mips::BI__builtin_msa_copy_s_w: |
| 3169 | case Mips::BI__builtin_msa_copy_u_w: |
| 3170 | case Mips::BI__builtin_msa_insve_w: |
| 3171 | case Mips::BI__builtin_msa_splati_w: i = 1; l = 0; u = 3; break; |
| 3172 | case Mips::BI__builtin_msa_sldi_w: i = 2; l = 0; u = 3; break; |
| 3173 | // These intrinsics take an unsigned 1 bit immediate. |
| 3174 | case Mips::BI__builtin_msa_copy_s_d: |
| 3175 | case Mips::BI__builtin_msa_copy_u_d: |
| 3176 | case Mips::BI__builtin_msa_insve_d: |
| 3177 | case Mips::BI__builtin_msa_splati_d: i = 1; l = 0; u = 1; break; |
| 3178 | case Mips::BI__builtin_msa_sldi_d: i = 2; l = 0; u = 1; break; |
| 3179 | // Memory offsets and immediate loads. |
| 3180 | // These intrinsics take a signed 10 bit immediate. |
| 3181 | case Mips::BI__builtin_msa_ldi_b: i = 0; l = -128; u = 255; break; |
| 3182 | case Mips::BI__builtin_msa_ldi_h: |
| 3183 | case Mips::BI__builtin_msa_ldi_w: |
| 3184 | case Mips::BI__builtin_msa_ldi_d: i = 0; l = -512; u = 511; break; |
| 3185 | case Mips::BI__builtin_msa_ld_b: i = 1; l = -512; u = 511; m = 1; break; |
| 3186 | case Mips::BI__builtin_msa_ld_h: i = 1; l = -1024; u = 1022; m = 2; break; |
| 3187 | case Mips::BI__builtin_msa_ld_w: i = 1; l = -2048; u = 2044; m = 4; break; |
| 3188 | case Mips::BI__builtin_msa_ld_d: i = 1; l = -4096; u = 4088; m = 8; break; |
| 3189 | case Mips::BI__builtin_msa_ldr_d: i = 1; l = -4096; u = 4088; m = 8; break; |
| 3190 | case Mips::BI__builtin_msa_ldr_w: i = 1; l = -2048; u = 2044; m = 4; break; |
| 3191 | case Mips::BI__builtin_msa_st_b: i = 2; l = -512; u = 511; m = 1; break; |
| 3192 | case Mips::BI__builtin_msa_st_h: i = 2; l = -1024; u = 1022; m = 2; break; |
| 3193 | case Mips::BI__builtin_msa_st_w: i = 2; l = -2048; u = 2044; m = 4; break; |
| 3194 | case Mips::BI__builtin_msa_st_d: i = 2; l = -4096; u = 4088; m = 8; break; |
| 3195 | case Mips::BI__builtin_msa_str_d: i = 2; l = -4096; u = 4088; m = 8; break; |
| 3196 | case Mips::BI__builtin_msa_str_w: i = 2; l = -2048; u = 2044; m = 4; break; |
| 3197 | } |
| 3198 | |
| 3199 | if (!m) |
| 3200 | return SemaBuiltinConstantArgRange(TheCall, i, l, u); |
| 3201 | |
| 3202 | return SemaBuiltinConstantArgRange(TheCall, i, l, u) || |
| 3203 | SemaBuiltinConstantArgMultiple(TheCall, i, m); |
| 3204 | } |
| 3205 | |
| 3206 | /// DecodePPCMMATypeFromStr - This decodes one PPC MMA type descriptor from Str, |
| 3207 | /// advancing the pointer over the consumed characters. The decoded type is |
| 3208 | /// returned. If the decoded type represents a constant integer with a |
| 3209 | /// constraint on its value then Mask is set to that value. The type descriptors |
| 3210 | /// used in Str are specific to PPC MMA builtins and are documented in the file |
| 3211 | /// defining the PPC builtins. |
| 3212 | static QualType DecodePPCMMATypeFromStr(ASTContext &Context, const char *&Str, |
| 3213 | unsigned &Mask) { |
| 3214 | bool RequireICE = false; |
| 3215 | ASTContext::GetBuiltinTypeError Error = ASTContext::GE_None; |
| 3216 | switch (*Str++) { |
| 3217 | case 'V': |
| 3218 | return Context.getVectorType(Context.UnsignedCharTy, 16, |
| 3219 | VectorType::VectorKind::AltiVecVector); |
| 3220 | case 'i': { |
| 3221 | char *End; |
| 3222 | unsigned size = strtoul(Str, &End, 10); |
| 3223 | assert(End != Str && "Missing constant parameter constraint")((void)0); |
| 3224 | Str = End; |
| 3225 | Mask = size; |
| 3226 | return Context.IntTy; |
| 3227 | } |
| 3228 | case 'W': { |
| 3229 | char *End; |
| 3230 | unsigned size = strtoul(Str, &End, 10); |
| 3231 | assert(End != Str && "Missing PowerPC MMA type size")((void)0); |
| 3232 | Str = End; |
| 3233 | QualType Type; |
| 3234 | switch (size) { |
| 3235 | #define PPC_VECTOR_TYPE(typeName, Id, size) \ |
| 3236 | case size: Type = Context.Id##Ty; break; |
| 3237 | #include "clang/Basic/PPCTypes.def" |
| 3238 | default: llvm_unreachable("Invalid PowerPC MMA vector type")__builtin_unreachable(); |
| 3239 | } |
| 3240 | bool CheckVectorArgs = false; |
| 3241 | while (!CheckVectorArgs) { |
| 3242 | switch (*Str++) { |
| 3243 | case '*': |
| 3244 | Type = Context.getPointerType(Type); |
| 3245 | break; |
| 3246 | case 'C': |
| 3247 | Type = Type.withConst(); |
| 3248 | break; |
| 3249 | default: |
| 3250 | CheckVectorArgs = true; |
| 3251 | --Str; |
| 3252 | break; |
| 3253 | } |
| 3254 | } |
| 3255 | return Type; |
| 3256 | } |
| 3257 | default: |
| 3258 | return Context.DecodeTypeStr(--Str, Context, Error, RequireICE, true); |
| 3259 | } |
| 3260 | } |
| 3261 | |
| 3262 | static bool isPPC_64Builtin(unsigned BuiltinID) { |
| 3263 | // These builtins only work on PPC 64bit targets. |
| 3264 | switch (BuiltinID) { |
| 3265 | case PPC::BI__builtin_divde: |
| 3266 | case PPC::BI__builtin_divdeu: |
| 3267 | case PPC::BI__builtin_bpermd: |
| 3268 | case PPC::BI__builtin_ppc_ldarx: |
| 3269 | case PPC::BI__builtin_ppc_stdcx: |
| 3270 | case PPC::BI__builtin_ppc_tdw: |
| 3271 | case PPC::BI__builtin_ppc_trapd: |
| 3272 | case PPC::BI__builtin_ppc_cmpeqb: |
| 3273 | case PPC::BI__builtin_ppc_setb: |
| 3274 | case PPC::BI__builtin_ppc_mulhd: |
| 3275 | case PPC::BI__builtin_ppc_mulhdu: |
| 3276 | case PPC::BI__builtin_ppc_maddhd: |
| 3277 | case PPC::BI__builtin_ppc_maddhdu: |
| 3278 | case PPC::BI__builtin_ppc_maddld: |
| 3279 | case PPC::BI__builtin_ppc_load8r: |
| 3280 | case PPC::BI__builtin_ppc_store8r: |
| 3281 | case PPC::BI__builtin_ppc_insert_exp: |
| 3282 | case PPC::BI__builtin_ppc_extract_sig: |
| 3283 | return true; |
| 3284 | } |
| 3285 | return false; |
| 3286 | } |
| 3287 | |
| 3288 | static bool SemaFeatureCheck(Sema &S, CallExpr *TheCall, |
| 3289 | StringRef FeatureToCheck, unsigned DiagID, |
| 3290 | StringRef DiagArg = "") { |
| 3291 | if (S.Context.getTargetInfo().hasFeature(FeatureToCheck)) |
| 3292 | return false; |
| 3293 | |
| 3294 | if (DiagArg.empty()) |
| 3295 | S.Diag(TheCall->getBeginLoc(), DiagID) << TheCall->getSourceRange(); |
| 3296 | else |
| 3297 | S.Diag(TheCall->getBeginLoc(), DiagID) |
| 3298 | << DiagArg << TheCall->getSourceRange(); |
| 3299 | |
| 3300 | return true; |
| 3301 | } |
| 3302 | |
| 3303 | /// Returns true if the argument consists of one contiguous run of 1s with any |
| 3304 | /// number of 0s on either side. The 1s are allowed to wrap from LSB to MSB, so |
| 3305 | /// 0x000FFF0, 0x0000FFFF, 0xFF0000FF, 0x0 are all runs. 0x0F0F0000 is not, |
| 3306 | /// since all 1s are not contiguous. |
| 3307 | bool Sema::SemaValueIsRunOfOnes(CallExpr *TheCall, unsigned ArgNum) { |
| 3308 | llvm::APSInt Result; |
| 3309 | // We can't check the value of a dependent argument. |
| 3310 | Expr *Arg = TheCall->getArg(ArgNum); |
| 3311 | if (Arg->isTypeDependent() || Arg->isValueDependent()) |
| 3312 | return false; |
| 3313 | |
| 3314 | // Check constant-ness first. |
| 3315 | if (SemaBuiltinConstantArg(TheCall, ArgNum, Result)) |
| 3316 | return true; |
| 3317 | |
| 3318 | // Check contiguous run of 1s, 0xFF0000FF is also a run of 1s. |
| 3319 | if (Result.isShiftedMask() || (~Result).isShiftedMask()) |
| 3320 | return false; |
| 3321 | |
| 3322 | return Diag(TheCall->getBeginLoc(), |
| 3323 | diag::err_argument_not_contiguous_bit_field) |
| 3324 | << ArgNum << Arg->getSourceRange(); |
| 3325 | } |
| 3326 | |
| 3327 | bool Sema::CheckPPCBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
| 3328 | CallExpr *TheCall) { |
| 3329 | unsigned i = 0, l = 0, u = 0; |
| 3330 | bool IsTarget64Bit = TI.getTypeWidth(TI.getIntPtrType()) == 64; |
| 3331 | llvm::APSInt Result; |
| 3332 | |
| 3333 | if (isPPC_64Builtin(BuiltinID) && !IsTarget64Bit) |
| 3334 | return Diag(TheCall->getBeginLoc(), diag::err_64_bit_builtin_32_bit_tgt) |
| 3335 | << TheCall->getSourceRange(); |
| 3336 | |
| 3337 | switch (BuiltinID) { |
| 3338 | default: return false; |
| 3339 | case PPC::BI__builtin_altivec_crypto_vshasigmaw: |
| 3340 | case PPC::BI__builtin_altivec_crypto_vshasigmad: |
| 3341 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 1) || |
| 3342 | SemaBuiltinConstantArgRange(TheCall, 2, 0, 15); |
| 3343 | case PPC::BI__builtin_altivec_dss: |
| 3344 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 3); |
| 3345 | case PPC::BI__builtin_tbegin: |
| 3346 | case PPC::BI__builtin_tend: i = 0; l = 0; u = 1; break; |
| 3347 | case PPC::BI__builtin_tsr: i = 0; l = 0; u = 7; break; |
| 3348 | case PPC::BI__builtin_tabortwc: |
| 3349 | case PPC::BI__builtin_tabortdc: i = 0; l = 0; u = 31; break; |
| 3350 | case PPC::BI__builtin_tabortwci: |
| 3351 | case PPC::BI__builtin_tabortdci: |
| 3352 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 31) || |
| 3353 | SemaBuiltinConstantArgRange(TheCall, 2, 0, 31); |
| 3354 | case PPC::BI__builtin_altivec_dst: |
| 3355 | case PPC::BI__builtin_altivec_dstt: |
| 3356 | case PPC::BI__builtin_altivec_dstst: |
| 3357 | case PPC::BI__builtin_altivec_dststt: |
| 3358 | return SemaBuiltinConstantArgRange(TheCall, 2, 0, 3); |
| 3359 | case PPC::BI__builtin_vsx_xxpermdi: |
| 3360 | case PPC::BI__builtin_vsx_xxsldwi: |
| 3361 | return SemaBuiltinVSX(TheCall); |
| 3362 | case PPC::BI__builtin_divwe: |
| 3363 | case PPC::BI__builtin_divweu: |
| 3364 | case PPC::BI__builtin_divde: |
| 3365 | case PPC::BI__builtin_divdeu: |
| 3366 | return SemaFeatureCheck(*this, TheCall, "extdiv", |
| 3367 | diag::err_ppc_builtin_only_on_arch, "7"); |
| 3368 | case PPC::BI__builtin_bpermd: |
| 3369 | return SemaFeatureCheck(*this, TheCall, "bpermd", |
| 3370 | diag::err_ppc_builtin_only_on_arch, "7"); |
| 3371 | case PPC::BI__builtin_unpack_vector_int128: |
| 3372 | return SemaFeatureCheck(*this, TheCall, "vsx", |
| 3373 | diag::err_ppc_builtin_only_on_arch, "7") || |
| 3374 | SemaBuiltinConstantArgRange(TheCall, 1, 0, 1); |
| 3375 | case PPC::BI__builtin_pack_vector_int128: |
| 3376 | return SemaFeatureCheck(*this, TheCall, "vsx", |
| 3377 | diag::err_ppc_builtin_only_on_arch, "7"); |
| 3378 | case PPC::BI__builtin_altivec_vgnb: |
| 3379 | return SemaBuiltinConstantArgRange(TheCall, 1, 2, 7); |
| 3380 | case PPC::BI__builtin_altivec_vec_replace_elt: |
| 3381 | case PPC::BI__builtin_altivec_vec_replace_unaligned: { |
| 3382 | QualType VecTy = TheCall->getArg(0)->getType(); |
| 3383 | QualType EltTy = TheCall->getArg(1)->getType(); |
| 3384 | unsigned Width = Context.getIntWidth(EltTy); |
| 3385 | return SemaBuiltinConstantArgRange(TheCall, 2, 0, Width == 32 ? 12 : 8) || |
| 3386 | !isEltOfVectorTy(Context, TheCall, *this, VecTy, EltTy); |
| 3387 | } |
| 3388 | case PPC::BI__builtin_vsx_xxeval: |
| 3389 | return SemaBuiltinConstantArgRange(TheCall, 3, 0, 255); |
| 3390 | case PPC::BI__builtin_altivec_vsldbi: |
| 3391 | return SemaBuiltinConstantArgRange(TheCall, 2, 0, 7); |
| 3392 | case PPC::BI__builtin_altivec_vsrdbi: |
| 3393 | return SemaBuiltinConstantArgRange(TheCall, 2, 0, 7); |
| 3394 | case PPC::BI__builtin_vsx_xxpermx: |
| 3395 | return SemaBuiltinConstantArgRange(TheCall, 3, 0, 7); |
| 3396 | case PPC::BI__builtin_ppc_tw: |
| 3397 | case PPC::BI__builtin_ppc_tdw: |
| 3398 | return SemaBuiltinConstantArgRange(TheCall, 2, 1, 31); |
| 3399 | case PPC::BI__builtin_ppc_cmpeqb: |
| 3400 | case PPC::BI__builtin_ppc_setb: |
| 3401 | case PPC::BI__builtin_ppc_maddhd: |
| 3402 | case PPC::BI__builtin_ppc_maddhdu: |
| 3403 | case PPC::BI__builtin_ppc_maddld: |
| 3404 | return SemaFeatureCheck(*this, TheCall, "isa-v30-instructions", |
| 3405 | diag::err_ppc_builtin_only_on_arch, "9"); |
| 3406 | case PPC::BI__builtin_ppc_cmprb: |
| 3407 | return SemaFeatureCheck(*this, TheCall, "isa-v30-instructions", |
| 3408 | diag::err_ppc_builtin_only_on_arch, "9") || |
| 3409 | SemaBuiltinConstantArgRange(TheCall, 0, 0, 1); |
| 3410 | // For __rlwnm, __rlwimi and __rldimi, the last parameter mask must |
| 3411 | // be a constant that represents a contiguous bit field. |
| 3412 | case PPC::BI__builtin_ppc_rlwnm: |
| 3413 | return SemaBuiltinConstantArg(TheCall, 1, Result) || |
| 3414 | SemaValueIsRunOfOnes(TheCall, 2); |
| 3415 | case PPC::BI__builtin_ppc_rlwimi: |
| 3416 | case PPC::BI__builtin_ppc_rldimi: |
| 3417 | return SemaBuiltinConstantArg(TheCall, 2, Result) || |
| 3418 | SemaValueIsRunOfOnes(TheCall, 3); |
| 3419 | case PPC::BI__builtin_ppc_extract_exp: |
| 3420 | case PPC::BI__builtin_ppc_extract_sig: |
| 3421 | case PPC::BI__builtin_ppc_insert_exp: |
| 3422 | return SemaFeatureCheck(*this, TheCall, "power9-vector", |
| 3423 | diag::err_ppc_builtin_only_on_arch, "9"); |
| 3424 | case PPC::BI__builtin_ppc_mtfsb0: |
| 3425 | case PPC::BI__builtin_ppc_mtfsb1: |
| 3426 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 31); |
| 3427 | case PPC::BI__builtin_ppc_mtfsf: |
| 3428 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 255); |
| 3429 | case PPC::BI__builtin_ppc_mtfsfi: |
| 3430 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 7) || |
| 3431 | SemaBuiltinConstantArgRange(TheCall, 1, 0, 15); |
| 3432 | case PPC::BI__builtin_ppc_alignx: |
| 3433 | return SemaBuiltinConstantArgPower2(TheCall, 0); |
| 3434 | case PPC::BI__builtin_ppc_rdlam: |
| 3435 | return SemaValueIsRunOfOnes(TheCall, 2); |
| 3436 | case PPC::BI__builtin_ppc_icbt: |
| 3437 | case PPC::BI__builtin_ppc_sthcx: |
| 3438 | case PPC::BI__builtin_ppc_stbcx: |
| 3439 | case PPC::BI__builtin_ppc_lharx: |
| 3440 | case PPC::BI__builtin_ppc_lbarx: |
| 3441 | return SemaFeatureCheck(*this, TheCall, "isa-v207-instructions", |
| 3442 | diag::err_ppc_builtin_only_on_arch, "8"); |
| 3443 | case PPC::BI__builtin_vsx_ldrmb: |
| 3444 | case PPC::BI__builtin_vsx_strmb: |
| 3445 | return SemaFeatureCheck(*this, TheCall, "isa-v207-instructions", |
| 3446 | diag::err_ppc_builtin_only_on_arch, "8") || |
| 3447 | SemaBuiltinConstantArgRange(TheCall, 1, 1, 16); |
| 3448 | #define CUSTOM_BUILTIN(Name, Intr, Types, Acc) \ |
| 3449 | case PPC::BI__builtin_##Name: \ |
| 3450 | return SemaBuiltinPPCMMACall(TheCall, Types); |
| 3451 | #include "clang/Basic/BuiltinsPPC.def" |
| 3452 | } |
| 3453 | return SemaBuiltinConstantArgRange(TheCall, i, l, u); |
| 3454 | } |
| 3455 | |
| 3456 | // Check if the given type is a non-pointer PPC MMA type. This function is used |
| 3457 | // in Sema to prevent invalid uses of restricted PPC MMA types. |
| 3458 | bool Sema::CheckPPCMMAType(QualType Type, SourceLocation TypeLoc) { |
| 3459 | if (Type->isPointerType() || Type->isArrayType()) |
| 3460 | return false; |
| 3461 | |
| 3462 | QualType CoreType = Type.getCanonicalType().getUnqualifiedType(); |
| 3463 | #define PPC_VECTOR_TYPE(Name, Id, Size) || CoreType == Context.Id##Ty |
| 3464 | if (false |
| 3465 | #include "clang/Basic/PPCTypes.def" |
| 3466 | ) { |
| 3467 | Diag(TypeLoc, diag::err_ppc_invalid_use_mma_type); |
| 3468 | return true; |
| 3469 | } |
| 3470 | return false; |
| 3471 | } |
| 3472 | |
| 3473 | bool Sema::CheckAMDGCNBuiltinFunctionCall(unsigned BuiltinID, |
| 3474 | CallExpr *TheCall) { |
| 3475 | // position of memory order and scope arguments in the builtin |
| 3476 | unsigned OrderIndex, ScopeIndex; |
| 3477 | switch (BuiltinID) { |
| 3478 | case AMDGPU::BI__builtin_amdgcn_atomic_inc32: |
| 3479 | case AMDGPU::BI__builtin_amdgcn_atomic_inc64: |
| 3480 | case AMDGPU::BI__builtin_amdgcn_atomic_dec32: |
| 3481 | case AMDGPU::BI__builtin_amdgcn_atomic_dec64: |
| 3482 | OrderIndex = 2; |
| 3483 | ScopeIndex = 3; |
| 3484 | break; |
| 3485 | case AMDGPU::BI__builtin_amdgcn_fence: |
| 3486 | OrderIndex = 0; |
| 3487 | ScopeIndex = 1; |
| 3488 | break; |
| 3489 | default: |
| 3490 | return false; |
| 3491 | } |
| 3492 | |
| 3493 | ExprResult Arg = TheCall->getArg(OrderIndex); |
| 3494 | auto ArgExpr = Arg.get(); |
| 3495 | Expr::EvalResult ArgResult; |
| 3496 | |
| 3497 | if (!ArgExpr->EvaluateAsInt(ArgResult, Context)) |
| 3498 | return Diag(ArgExpr->getExprLoc(), diag::err_typecheck_expect_int) |
| 3499 | << ArgExpr->getType(); |
| 3500 | auto Ord = ArgResult.Val.getInt().getZExtValue(); |
| 3501 | |
| 3502 | // Check valididty of memory ordering as per C11 / C++11's memody model. |
| 3503 | // Only fence needs check. Atomic dec/inc allow all memory orders. |
| 3504 | if (!llvm::isValidAtomicOrderingCABI(Ord)) |
| 3505 | return Diag(ArgExpr->getBeginLoc(), |
| 3506 | diag::warn_atomic_op_has_invalid_memory_order) |
| 3507 | << ArgExpr->getSourceRange(); |
| 3508 | switch (static_cast<llvm::AtomicOrderingCABI>(Ord)) { |
| 3509 | case llvm::AtomicOrderingCABI::relaxed: |
| 3510 | case llvm::AtomicOrderingCABI::consume: |
| 3511 | if (BuiltinID == AMDGPU::BI__builtin_amdgcn_fence) |
| 3512 | return Diag(ArgExpr->getBeginLoc(), |
| 3513 | diag::warn_atomic_op_has_invalid_memory_order) |
| 3514 | << ArgExpr->getSourceRange(); |
| 3515 | break; |
| 3516 | case llvm::AtomicOrderingCABI::acquire: |
| 3517 | case llvm::AtomicOrderingCABI::release: |
| 3518 | case llvm::AtomicOrderingCABI::acq_rel: |
| 3519 | case llvm::AtomicOrderingCABI::seq_cst: |
| 3520 | break; |
| 3521 | } |
| 3522 | |
| 3523 | Arg = TheCall->getArg(ScopeIndex); |
| 3524 | ArgExpr = Arg.get(); |
| 3525 | Expr::EvalResult ArgResult1; |
| 3526 | // Check that sync scope is a constant literal |
| 3527 | if (!ArgExpr->EvaluateAsConstantExpr(ArgResult1, Context)) |
| 3528 | return Diag(ArgExpr->getExprLoc(), diag::err_expr_not_string_literal) |
| 3529 | << ArgExpr->getType(); |
| 3530 | |
| 3531 | return false; |
| 3532 | } |
| 3533 | |
| 3534 | bool Sema::CheckRISCVLMUL(CallExpr *TheCall, unsigned ArgNum) { |
| 3535 | llvm::APSInt Result; |
| 3536 | |
| 3537 | // We can't check the value of a dependent argument. |
| 3538 | Expr *Arg = TheCall->getArg(ArgNum); |
| 3539 | if (Arg->isTypeDependent() || Arg->isValueDependent()) |
| 3540 | return false; |
| 3541 | |
| 3542 | // Check constant-ness first. |
| 3543 | if (SemaBuiltinConstantArg(TheCall, ArgNum, Result)) |
| 3544 | return true; |
| 3545 | |
| 3546 | int64_t Val = Result.getSExtValue(); |
| 3547 | if ((Val >= 0 && Val <= 3) || (Val >= 5 && Val <= 7)) |
| 3548 | return false; |
| 3549 | |
| 3550 | return Diag(TheCall->getBeginLoc(), diag::err_riscv_builtin_invalid_lmul) |
| 3551 | << Arg->getSourceRange(); |
| 3552 | } |
| 3553 | |
| 3554 | bool Sema::CheckRISCVBuiltinFunctionCall(const TargetInfo &TI, |
| 3555 | unsigned BuiltinID, |
| 3556 | CallExpr *TheCall) { |
| 3557 | // CodeGenFunction can also detect this, but this gives a better error |
| 3558 | // message. |
| 3559 | bool FeatureMissing = false; |
| 3560 | SmallVector<StringRef> ReqFeatures; |
| 3561 | StringRef Features = Context.BuiltinInfo.getRequiredFeatures(BuiltinID); |
| 3562 | Features.split(ReqFeatures, ','); |
| 3563 | |
| 3564 | // Check if each required feature is included |
| 3565 | for (StringRef F : ReqFeatures) { |
| 3566 | if (TI.hasFeature(F)) |
| 3567 | continue; |
| 3568 | |
| 3569 | // If the feature is 64bit, alter the string so it will print better in |
| 3570 | // the diagnostic. |
| 3571 | if (F == "64bit") |
| 3572 | F = "RV64"; |
| 3573 | |
| 3574 | // Convert features like "zbr" and "experimental-zbr" to "Zbr". |
| 3575 | F.consume_front("experimental-"); |
| 3576 | std::string FeatureStr = F.str(); |
| 3577 | FeatureStr[0] = std::toupper(FeatureStr[0]); |
| 3578 | |
| 3579 | // Error message |
| 3580 | FeatureMissing = true; |
| 3581 | Diag(TheCall->getBeginLoc(), diag::err_riscv_builtin_requires_extension) |
| 3582 | << TheCall->getSourceRange() << StringRef(FeatureStr); |
| 3583 | } |
| 3584 | |
| 3585 | if (FeatureMissing) |
| 3586 | return true; |
| 3587 | |
| 3588 | switch (BuiltinID) { |
| 3589 | case RISCV::BI__builtin_rvv_vsetvli: |
| 3590 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 3) || |
| 3591 | CheckRISCVLMUL(TheCall, 2); |
| 3592 | case RISCV::BI__builtin_rvv_vsetvlimax: |
| 3593 | return SemaBuiltinConstantArgRange(TheCall, 0, 0, 3) || |
| 3594 | CheckRISCVLMUL(TheCall, 1); |
| 3595 | case RISCV::BI__builtin_rvv_vget_v_i8m2_i8m1: |
| 3596 | case RISCV::BI__builtin_rvv_vget_v_i16m2_i16m1: |
| 3597 | case RISCV::BI__builtin_rvv_vget_v_i32m2_i32m1: |
| 3598 | case RISCV::BI__builtin_rvv_vget_v_i64m2_i64m1: |
| 3599 | case RISCV::BI__builtin_rvv_vget_v_f32m2_f32m1: |
| 3600 | case RISCV::BI__builtin_rvv_vget_v_f64m2_f64m1: |
| 3601 | case RISCV::BI__builtin_rvv_vget_v_u8m2_u8m1: |
| 3602 | case RISCV::BI__builtin_rvv_vget_v_u16m2_u16m1: |
| 3603 | case RISCV::BI__builtin_rvv_vget_v_u32m2_u32m1: |
| 3604 | case RISCV::BI__builtin_rvv_vget_v_u64m2_u64m1: |
| 3605 | case RISCV::BI__builtin_rvv_vget_v_i8m4_i8m2: |
| 3606 | case RISCV::BI__builtin_rvv_vget_v_i16m4_i16m2: |
| 3607 | case RISCV::BI__builtin_rvv_vget_v_i32m4_i32m2: |
| 3608 | case RISCV::BI__builtin_rvv_vget_v_i64m4_i64m2: |
| 3609 | case RISCV::BI__builtin_rvv_vget_v_f32m4_f32m2: |
| 3610 | case RISCV::BI__builtin_rvv_vget_v_f64m4_f64m2: |
| 3611 | case RISCV::BI__builtin_rvv_vget_v_u8m4_u8m2: |
| 3612 | case RISCV::BI__builtin_rvv_vget_v_u16m4_u16m2: |
| 3613 | case RISCV::BI__builtin_rvv_vget_v_u32m4_u32m2: |
| 3614 | case RISCV::BI__builtin_rvv_vget_v_u64m4_u64m2: |
| 3615 | case RISCV::BI__builtin_rvv_vget_v_i8m8_i8m4: |
| 3616 | case RISCV::BI__builtin_rvv_vget_v_i16m8_i16m4: |
| 3617 | case RISCV::BI__builtin_rvv_vget_v_i32m8_i32m4: |
| 3618 | case RISCV::BI__builtin_rvv_vget_v_i64m8_i64m4: |
| 3619 | case RISCV::BI__builtin_rvv_vget_v_f32m8_f32m4: |
| 3620 | case RISCV::BI__builtin_rvv_vget_v_f64m8_f64m4: |
| 3621 | case RISCV::BI__builtin_rvv_vget_v_u8m8_u8m4: |
| 3622 | case RISCV::BI__builtin_rvv_vget_v_u16m8_u16m4: |
| 3623 | case RISCV::BI__builtin_rvv_vget_v_u32m8_u32m4: |
| 3624 | case RISCV::BI__builtin_rvv_vget_v_u64m8_u64m4: |
| 3625 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 1); |
| 3626 | case RISCV::BI__builtin_rvv_vget_v_i8m4_i8m1: |
| 3627 | case RISCV::BI__builtin_rvv_vget_v_i16m4_i16m1: |
| 3628 | case RISCV::BI__builtin_rvv_vget_v_i32m4_i32m1: |
| 3629 | case RISCV::BI__builtin_rvv_vget_v_i64m4_i64m1: |
| 3630 | case RISCV::BI__builtin_rvv_vget_v_f32m4_f32m1: |
| 3631 | case RISCV::BI__builtin_rvv_vget_v_f64m4_f64m1: |
| 3632 | case RISCV::BI__builtin_rvv_vget_v_u8m4_u8m1: |
| 3633 | case RISCV::BI__builtin_rvv_vget_v_u16m4_u16m1: |
| 3634 | case RISCV::BI__builtin_rvv_vget_v_u32m4_u32m1: |
| 3635 | case RISCV::BI__builtin_rvv_vget_v_u64m4_u64m1: |
| 3636 | case RISCV::BI__builtin_rvv_vget_v_i8m8_i8m2: |
| 3637 | case RISCV::BI__builtin_rvv_vget_v_i16m8_i16m2: |
| 3638 | case RISCV::BI__builtin_rvv_vget_v_i32m8_i32m2: |
| 3639 | case RISCV::BI__builtin_rvv_vget_v_i64m8_i64m2: |
| 3640 | case RISCV::BI__builtin_rvv_vget_v_f32m8_f32m2: |
| 3641 | case RISCV::BI__builtin_rvv_vget_v_f64m8_f64m2: |
| 3642 | case RISCV::BI__builtin_rvv_vget_v_u8m8_u8m2: |
| 3643 | case RISCV::BI__builtin_rvv_vget_v_u16m8_u16m2: |
| 3644 | case RISCV::BI__builtin_rvv_vget_v_u32m8_u32m2: |
| 3645 | case RISCV::BI__builtin_rvv_vget_v_u64m8_u64m2: |
| 3646 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 3); |
| 3647 | case RISCV::BI__builtin_rvv_vget_v_i8m8_i8m1: |
| 3648 | case RISCV::BI__builtin_rvv_vget_v_i16m8_i16m1: |
| 3649 | case RISCV::BI__builtin_rvv_vget_v_i32m8_i32m1: |
| 3650 | case RISCV::BI__builtin_rvv_vget_v_i64m8_i64m1: |
| 3651 | case RISCV::BI__builtin_rvv_vget_v_f32m8_f32m1: |
| 3652 | case RISCV::BI__builtin_rvv_vget_v_f64m8_f64m1: |
| 3653 | case RISCV::BI__builtin_rvv_vget_v_u8m8_u8m1: |
| 3654 | case RISCV::BI__builtin_rvv_vget_v_u16m8_u16m1: |
| 3655 | case RISCV::BI__builtin_rvv_vget_v_u32m8_u32m1: |
| 3656 | case RISCV::BI__builtin_rvv_vget_v_u64m8_u64m1: |
| 3657 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 7); |
| 3658 | case RISCV::BI__builtin_rvv_vset_v_i8m1_i8m2: |
| 3659 | case RISCV::BI__builtin_rvv_vset_v_i16m1_i16m2: |
| 3660 | case RISCV::BI__builtin_rvv_vset_v_i32m1_i32m2: |
| 3661 | case RISCV::BI__builtin_rvv_vset_v_i64m1_i64m2: |
| 3662 | case RISCV::BI__builtin_rvv_vset_v_f32m1_f32m2: |
| 3663 | case RISCV::BI__builtin_rvv_vset_v_f64m1_f64m2: |
| 3664 | case RISCV::BI__builtin_rvv_vset_v_u8m1_u8m2: |
| 3665 | case RISCV::BI__builtin_rvv_vset_v_u16m1_u16m2: |
| 3666 | case RISCV::BI__builtin_rvv_vset_v_u32m1_u32m2: |
| 3667 | case RISCV::BI__builtin_rvv_vset_v_u64m1_u64m2: |
| 3668 | case RISCV::BI__builtin_rvv_vset_v_i8m2_i8m4: |
| 3669 | case RISCV::BI__builtin_rvv_vset_v_i16m2_i16m4: |
| 3670 | case RISCV::BI__builtin_rvv_vset_v_i32m2_i32m4: |
| 3671 | case RISCV::BI__builtin_rvv_vset_v_i64m2_i64m4: |
| 3672 | case RISCV::BI__builtin_rvv_vset_v_f32m2_f32m4: |
| 3673 | case RISCV::BI__builtin_rvv_vset_v_f64m2_f64m4: |
| 3674 | case RISCV::BI__builtin_rvv_vset_v_u8m2_u8m4: |
| 3675 | case RISCV::BI__builtin_rvv_vset_v_u16m2_u16m4: |
| 3676 | case RISCV::BI__builtin_rvv_vset_v_u32m2_u32m4: |
| 3677 | case RISCV::BI__builtin_rvv_vset_v_u64m2_u64m4: |
| 3678 | case RISCV::BI__builtin_rvv_vset_v_i8m4_i8m8: |
| 3679 | case RISCV::BI__builtin_rvv_vset_v_i16m4_i16m8: |
| 3680 | case RISCV::BI__builtin_rvv_vset_v_i32m4_i32m8: |
| 3681 | case RISCV::BI__builtin_rvv_vset_v_i64m4_i64m8: |
| 3682 | case RISCV::BI__builtin_rvv_vset_v_f32m4_f32m8: |
| 3683 | case RISCV::BI__builtin_rvv_vset_v_f64m4_f64m8: |
| 3684 | case RISCV::BI__builtin_rvv_vset_v_u8m4_u8m8: |
| 3685 | case RISCV::BI__builtin_rvv_vset_v_u16m4_u16m8: |
| 3686 | case RISCV::BI__builtin_rvv_vset_v_u32m4_u32m8: |
| 3687 | case RISCV::BI__builtin_rvv_vset_v_u64m4_u64m8: |
| 3688 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 1); |
| 3689 | case RISCV::BI__builtin_rvv_vset_v_i8m1_i8m4: |
| 3690 | case RISCV::BI__builtin_rvv_vset_v_i16m1_i16m4: |
| 3691 | case RISCV::BI__builtin_rvv_vset_v_i32m1_i32m4: |
| 3692 | case RISCV::BI__builtin_rvv_vset_v_i64m1_i64m4: |
| 3693 | case RISCV::BI__builtin_rvv_vset_v_f32m1_f32m4: |
| 3694 | case RISCV::BI__builtin_rvv_vset_v_f64m1_f64m4: |
| 3695 | case RISCV::BI__builtin_rvv_vset_v_u8m1_u8m4: |
| 3696 | case RISCV::BI__builtin_rvv_vset_v_u16m1_u16m4: |
| 3697 | case RISCV::BI__builtin_rvv_vset_v_u32m1_u32m4: |
| 3698 | case RISCV::BI__builtin_rvv_vset_v_u64m1_u64m4: |
| 3699 | case RISCV::BI__builtin_rvv_vset_v_i8m2_i8m8: |
| 3700 | case RISCV::BI__builtin_rvv_vset_v_i16m2_i16m8: |
| 3701 | case RISCV::BI__builtin_rvv_vset_v_i32m2_i32m8: |
| 3702 | case RISCV::BI__builtin_rvv_vset_v_i64m2_i64m8: |
| 3703 | case RISCV::BI__builtin_rvv_vset_v_f32m2_f32m8: |
| 3704 | case RISCV::BI__builtin_rvv_vset_v_f64m2_f64m8: |
| 3705 | case RISCV::BI__builtin_rvv_vset_v_u8m2_u8m8: |
| 3706 | case RISCV::BI__builtin_rvv_vset_v_u16m2_u16m8: |
| 3707 | case RISCV::BI__builtin_rvv_vset_v_u32m2_u32m8: |
| 3708 | case RISCV::BI__builtin_rvv_vset_v_u64m2_u64m8: |
| 3709 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 3); |
| 3710 | case RISCV::BI__builtin_rvv_vset_v_i8m1_i8m8: |
| 3711 | case RISCV::BI__builtin_rvv_vset_v_i16m1_i16m8: |
| 3712 | case RISCV::BI__builtin_rvv_vset_v_i32m1_i32m8: |
| 3713 | case RISCV::BI__builtin_rvv_vset_v_i64m1_i64m8: |
| 3714 | case RISCV::BI__builtin_rvv_vset_v_f32m1_f32m8: |
| 3715 | case RISCV::BI__builtin_rvv_vset_v_f64m1_f64m8: |
| 3716 | case RISCV::BI__builtin_rvv_vset_v_u8m1_u8m8: |
| 3717 | case RISCV::BI__builtin_rvv_vset_v_u16m1_u16m8: |
| 3718 | case RISCV::BI__builtin_rvv_vset_v_u32m1_u32m8: |
| 3719 | case RISCV::BI__builtin_rvv_vset_v_u64m1_u64m8: |
| 3720 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 7); |
| 3721 | } |
| 3722 | |
| 3723 | return false; |
| 3724 | } |
| 3725 | |
| 3726 | bool Sema::CheckSystemZBuiltinFunctionCall(unsigned BuiltinID, |
| 3727 | CallExpr *TheCall) { |
| 3728 | if (BuiltinID == SystemZ::BI__builtin_tabort) { |
| 3729 | Expr *Arg = TheCall->getArg(0); |
| 3730 | if (Optional<llvm::APSInt> AbortCode = Arg->getIntegerConstantExpr(Context)) |
| 3731 | if (AbortCode->getSExtValue() >= 0 && AbortCode->getSExtValue() < 256) |
| 3732 | return Diag(Arg->getBeginLoc(), diag::err_systemz_invalid_tabort_code) |
| 3733 | << Arg->getSourceRange(); |
| 3734 | } |
| 3735 | |
| 3736 | // For intrinsics which take an immediate value as part of the instruction, |
| 3737 | // range check them here. |
| 3738 | unsigned i = 0, l = 0, u = 0; |
| 3739 | switch (BuiltinID) { |
| 3740 | default: return false; |
| 3741 | case SystemZ::BI__builtin_s390_lcbb: i = 1; l = 0; u = 15; break; |
| 3742 | case SystemZ::BI__builtin_s390_verimb: |
| 3743 | case SystemZ::BI__builtin_s390_verimh: |
| 3744 | case SystemZ::BI__builtin_s390_verimf: |
| 3745 | case SystemZ::BI__builtin_s390_verimg: i = 3; l = 0; u = 255; break; |
| 3746 | case SystemZ::BI__builtin_s390_vfaeb: |
| 3747 | case SystemZ::BI__builtin_s390_vfaeh: |
| 3748 | case SystemZ::BI__builtin_s390_vfaef: |
| 3749 | case SystemZ::BI__builtin_s390_vfaebs: |
| 3750 | case SystemZ::BI__builtin_s390_vfaehs: |
| 3751 | case SystemZ::BI__builtin_s390_vfaefs: |
| 3752 | case SystemZ::BI__builtin_s390_vfaezb: |
| 3753 | case SystemZ::BI__builtin_s390_vfaezh: |
| 3754 | case SystemZ::BI__builtin_s390_vfaezf: |
| 3755 | case SystemZ::BI__builtin_s390_vfaezbs: |
| 3756 | case SystemZ::BI__builtin_s390_vfaezhs: |
| 3757 | case SystemZ::BI__builtin_s390_vfaezfs: i = 2; l = 0; u = 15; break; |
| 3758 | case SystemZ::BI__builtin_s390_vfisb: |
| 3759 | case SystemZ::BI__builtin_s390_vfidb: |
| 3760 | return SemaBuiltinConstantArgRange(TheCall, 1, 0, 15) || |
| 3761 | SemaBuiltinConstantArgRange(TheCall, 2, 0, 15); |
| 3762 | case SystemZ::BI__builtin_s390_vftcisb: |
| 3763 | case SystemZ::BI__builtin_s390_vftcidb: i = 1; l = 0; u = 4095; break; |
| 3764 | case SystemZ::BI__builtin_s390_vlbb: i = 1; l = 0; u = 15; break; |
| 3765 | case SystemZ::BI__builtin_s390_vpdi: i = 2; l = 0; u = 15; break; |
| 3766 | case SystemZ::BI__builtin_s390_vsldb: i = 2; l = 0; u = 15; break; |
| 3767 | case SystemZ::BI__builtin_s390_vstrcb: |
| 3768 | case SystemZ::BI__builtin_s390_vstrch: |
| 3769 | case SystemZ::BI__builtin_s390_vstrcf: |
| 3770 | case SystemZ::BI__builtin_s390_vstrczb: |
| 3771 | case SystemZ::BI__builtin_s390_vstrczh: |
| 3772 | case SystemZ::BI__builtin_s390_vstrczf: |
| 3773 | case SystemZ::BI__builtin_s390_vstrcbs: |
| 3774 | case SystemZ::BI__builtin_s390_vstrchs: |
| 3775 | case SystemZ::BI__builtin_s390_vstrcfs: |
| 3776 | case SystemZ::BI__builtin_s390_vstrczbs: |
| 3777 | case SystemZ::BI__builtin_s390_vstrczhs: |
| 3778 | case SystemZ::BI__builtin_s390_vstrczfs: i = 3; l = 0; u = 15; break; |
| 3779 | case SystemZ::BI__builtin_s390_vmslg: i = 3; l = 0; u = 15; break; |
| 3780 | case SystemZ::BI__builtin_s390_vfminsb: |
| 3781 | case SystemZ::BI__builtin_s390_vfmaxsb: |
| 3782 | case SystemZ::BI__builtin_s390_vfmindb: |
| 3783 | case SystemZ::BI__builtin_s390_vfmaxdb: i = 2; l = 0; u = 15; break; |
| 3784 | case SystemZ::BI__builtin_s390_vsld: i = 2; l = 0; u = 7; break; |
| 3785 | case SystemZ::BI__builtin_s390_vsrd: i = 2; l = 0; u = 7; break; |
| 3786 | case SystemZ::BI__builtin_s390_vclfnhs: |
| 3787 | case SystemZ::BI__builtin_s390_vclfnls: |
| 3788 | case SystemZ::BI__builtin_s390_vcfn: |
| 3789 | case SystemZ::BI__builtin_s390_vcnf: i = 1; l = 0; u = 15; break; |
| 3790 | case SystemZ::BI__builtin_s390_vcrnfs: i = 2; l = 0; u = 15; break; |
| 3791 | } |
| 3792 | return SemaBuiltinConstantArgRange(TheCall, i, l, u); |
| 3793 | } |
| 3794 | |
| 3795 | /// SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *). |
| 3796 | /// This checks that the target supports __builtin_cpu_supports and |
| 3797 | /// that the string argument is constant and valid. |
| 3798 | static bool SemaBuiltinCpuSupports(Sema &S, const TargetInfo &TI, |
| 3799 | CallExpr *TheCall) { |
| 3800 | Expr *Arg = TheCall->getArg(0); |
| 3801 | |
| 3802 | // Check if the argument is a string literal. |
| 3803 | if (!isa<StringLiteral>(Arg->IgnoreParenImpCasts())) |
| 3804 | return S.Diag(TheCall->getBeginLoc(), diag::err_expr_not_string_literal) |
| 3805 | << Arg->getSourceRange(); |
| 3806 | |
| 3807 | // Check the contents of the string. |
| 3808 | StringRef Feature = |
| 3809 | cast<StringLiteral>(Arg->IgnoreParenImpCasts())->getString(); |
| 3810 | if (!TI.validateCpuSupports(Feature)) |
| 3811 | return S.Diag(TheCall->getBeginLoc(), diag::err_invalid_cpu_supports) |
| 3812 | << Arg->getSourceRange(); |
| 3813 | return false; |
| 3814 | } |
| 3815 | |
| 3816 | /// SemaBuiltinCpuIs - Handle __builtin_cpu_is(char *). |
| 3817 | /// This checks that the target supports __builtin_cpu_is and |
| 3818 | /// that the string argument is constant and valid. |
| 3819 | static bool SemaBuiltinCpuIs(Sema &S, const TargetInfo &TI, CallExpr *TheCall) { |
| 3820 | Expr *Arg = TheCall->getArg(0); |
| 3821 | |
| 3822 | // Check if the argument is a string literal. |
| 3823 | if (!isa<StringLiteral>(Arg->IgnoreParenImpCasts())) |
| 3824 | return S.Diag(TheCall->getBeginLoc(), diag::err_expr_not_string_literal) |
| 3825 | << Arg->getSourceRange(); |
| 3826 | |
| 3827 | // Check the contents of the string. |
| 3828 | StringRef Feature = |
| 3829 | cast<StringLiteral>(Arg->IgnoreParenImpCasts())->getString(); |
| 3830 | if (!TI.validateCpuIs(Feature)) |
| 3831 | return S.Diag(TheCall->getBeginLoc(), diag::err_invalid_cpu_is) |
| 3832 | << Arg->getSourceRange(); |
| 3833 | return false; |
| 3834 | } |
| 3835 | |
| 3836 | // Check if the rounding mode is legal. |
| 3837 | bool Sema::CheckX86BuiltinRoundingOrSAE(unsigned BuiltinID, CallExpr *TheCall) { |
| 3838 | // Indicates if this instruction has rounding control or just SAE. |
| 3839 | bool HasRC = false; |
| 3840 | |
| 3841 | unsigned ArgNum = 0; |
| 3842 | switch (BuiltinID) { |
| 3843 | default: |
| 3844 | return false; |
| 3845 | case X86::BI__builtin_ia32_vcvttsd2si32: |
| 3846 | case X86::BI__builtin_ia32_vcvttsd2si64: |
| 3847 | case X86::BI__builtin_ia32_vcvttsd2usi32: |
| 3848 | case X86::BI__builtin_ia32_vcvttsd2usi64: |
| 3849 | case X86::BI__builtin_ia32_vcvttss2si32: |
| 3850 | case X86::BI__builtin_ia32_vcvttss2si64: |
| 3851 | case X86::BI__builtin_ia32_vcvttss2usi32: |
| 3852 | case X86::BI__builtin_ia32_vcvttss2usi64: |
| 3853 | ArgNum = 1; |
| 3854 | break; |
| 3855 | case X86::BI__builtin_ia32_maxpd512: |
| 3856 | case X86::BI__builtin_ia32_maxps512: |
| 3857 | case X86::BI__builtin_ia32_minpd512: |
| 3858 | case X86::BI__builtin_ia32_minps512: |
| 3859 | ArgNum = 2; |
| 3860 | break; |
| 3861 | case X86::BI__builtin_ia32_cvtps2pd512_mask: |
| 3862 | case X86::BI__builtin_ia32_cvttpd2dq512_mask: |
| 3863 | case X86::BI__builtin_ia32_cvttpd2qq512_mask: |
| 3864 | case X86::BI__builtin_ia32_cvttpd2udq512_mask: |
| 3865 | case X86::BI__builtin_ia32_cvttpd2uqq512_mask: |
| 3866 | case X86::BI__builtin_ia32_cvttps2dq512_mask: |
| 3867 | case X86::BI__builtin_ia32_cvttps2qq512_mask: |
| 3868 | case X86::BI__builtin_ia32_cvttps2udq512_mask: |
| 3869 | case X86::BI__builtin_ia32_cvttps2uqq512_mask: |
| 3870 | case X86::BI__builtin_ia32_exp2pd_mask: |
| 3871 | case X86::BI__builtin_ia32_exp2ps_mask: |
| 3872 | case X86::BI__builtin_ia32_getexppd512_mask: |
| 3873 | case X86::BI__builtin_ia32_getexpps512_mask: |
| 3874 | case X86::BI__builtin_ia32_rcp28pd_mask: |
| 3875 | case X86::BI__builtin_ia32_rcp28ps_mask: |
| 3876 | case X86::BI__builtin_ia32_rsqrt28pd_mask: |
| 3877 | case X86::BI__builtin_ia32_rsqrt28ps_mask: |
| 3878 | case X86::BI__builtin_ia32_vcomisd: |
| 3879 | case X86::BI__builtin_ia32_vcomiss: |
| 3880 | case X86::BI__builtin_ia32_vcvtph2ps512_mask: |
| 3881 | ArgNum = 3; |
| 3882 | break; |
| 3883 | case X86::BI__builtin_ia32_cmppd512_mask: |
| 3884 | case X86::BI__builtin_ia32_cmpps512_mask: |
| 3885 | case X86::BI__builtin_ia32_cmpsd_mask: |
| 3886 | case X86::BI__builtin_ia32_cmpss_mask: |
| 3887 | case X86::BI__builtin_ia32_cvtss2sd_round_mask: |
| 3888 | case X86::BI__builtin_ia32_getexpsd128_round_mask: |
| 3889 | case X86::BI__builtin_ia32_getexpss128_round_mask: |
| 3890 | case X86::BI__builtin_ia32_getmantpd512_mask: |
| 3891 | case X86::BI__builtin_ia32_getmantps512_mask: |
| 3892 | case X86::BI__builtin_ia32_maxsd_round_mask: |
| 3893 | case X86::BI__builtin_ia32_maxss_round_mask: |
| 3894 | case X86::BI__builtin_ia32_minsd_round_mask: |
| 3895 | case X86::BI__builtin_ia32_minss_round_mask: |
| 3896 | case X86::BI__builtin_ia32_rcp28sd_round_mask: |
| 3897 | case X86::BI__builtin_ia32_rcp28ss_round_mask: |
| 3898 | case X86::BI__builtin_ia32_reducepd512_mask: |
| 3899 | case X86::BI__builtin_ia32_reduceps512_mask: |
| 3900 | case X86::BI__builtin_ia32_rndscalepd_mask: |
| 3901 | case X86::BI__builtin_ia32_rndscaleps_mask: |
| 3902 | case X86::BI__builtin_ia32_rsqrt28sd_round_mask: |
| 3903 | case X86::BI__builtin_ia32_rsqrt28ss_round_mask: |
| 3904 | ArgNum = 4; |
| 3905 | break; |
| 3906 | case X86::BI__builtin_ia32_fixupimmpd512_mask: |
| 3907 | case X86::BI__builtin_ia32_fixupimmpd512_maskz: |
| 3908 | case X86::BI__builtin_ia32_fixupimmps512_mask: |
| 3909 | case X86::BI__builtin_ia32_fixupimmps512_maskz: |
| 3910 | case X86::BI__builtin_ia32_fixupimmsd_mask: |
| 3911 | case X86::BI__builtin_ia32_fixupimmsd_maskz: |
| 3912 | case X86::BI__builtin_ia32_fixupimmss_mask: |
| 3913 | case X86::BI__builtin_ia32_fixupimmss_maskz: |
| 3914 | case X86::BI__builtin_ia32_getmantsd_round_mask: |
| 3915 | case X86::BI__builtin_ia32_getmantss_round_mask: |
| 3916 | case X86::BI__builtin_ia32_rangepd512_mask: |
| 3917 | case X86::BI__builtin_ia32_rangeps512_mask: |
| 3918 | case X86::BI__builtin_ia32_rangesd128_round_mask: |
| 3919 | case X86::BI__builtin_ia32_rangess128_round_mask: |
| 3920 | case X86::BI__builtin_ia32_reducesd_mask: |
| 3921 | case X86::BI__builtin_ia32_reducess_mask: |
| 3922 | case X86::BI__builtin_ia32_rndscalesd_round_mask: |
| 3923 | case X86::BI__builtin_ia32_rndscaless_round_mask: |
| 3924 | ArgNum = 5; |
| 3925 | break; |
| 3926 | case X86::BI__builtin_ia32_vcvtsd2si64: |
| 3927 | case X86::BI__builtin_ia32_vcvtsd2si32: |
| 3928 | case X86::BI__builtin_ia32_vcvtsd2usi32: |
| 3929 | case X86::BI__builtin_ia32_vcvtsd2usi64: |
| 3930 | case X86::BI__builtin_ia32_vcvtss2si32: |
| 3931 | case X86::BI__builtin_ia32_vcvtss2si64: |
| 3932 | case X86::BI__builtin_ia32_vcvtss2usi32: |
| 3933 | case X86::BI__builtin_ia32_vcvtss2usi64: |
| 3934 | case X86::BI__builtin_ia32_sqrtpd512: |
| 3935 | case X86::BI__builtin_ia32_sqrtps512: |
| 3936 | ArgNum = 1; |
| 3937 | HasRC = true; |
| 3938 | break; |
| 3939 | case X86::BI__builtin_ia32_addpd512: |
| 3940 | case X86::BI__builtin_ia32_addps512: |
| 3941 | case X86::BI__builtin_ia32_divpd512: |
| 3942 | case X86::BI__builtin_ia32_divps512: |
| 3943 | case X86::BI__builtin_ia32_mulpd512: |
| 3944 | case X86::BI__builtin_ia32_mulps512: |
| 3945 | case X86::BI__builtin_ia32_subpd512: |
| 3946 | case X86::BI__builtin_ia32_subps512: |
| 3947 | case X86::BI__builtin_ia32_cvtsi2sd64: |
| 3948 | case X86::BI__builtin_ia32_cvtsi2ss32: |
| 3949 | case X86::BI__builtin_ia32_cvtsi2ss64: |
| 3950 | case X86::BI__builtin_ia32_cvtusi2sd64: |
| 3951 | case X86::BI__builtin_ia32_cvtusi2ss32: |
| 3952 | case X86::BI__builtin_ia32_cvtusi2ss64: |
| 3953 | ArgNum = 2; |
| 3954 | HasRC = true; |
| 3955 | break; |
| 3956 | case X86::BI__builtin_ia32_cvtdq2ps512_mask: |
| 3957 | case X86::BI__builtin_ia32_cvtudq2ps512_mask: |
| 3958 | case X86::BI__builtin_ia32_cvtpd2ps512_mask: |
| 3959 | case X86::BI__builtin_ia32_cvtpd2dq512_mask: |
| 3960 | case X86::BI__builtin_ia32_cvtpd2qq512_mask: |
| 3961 | case X86::BI__builtin_ia32_cvtpd2udq512_mask: |
| 3962 | case X86::BI__builtin_ia32_cvtpd2uqq512_mask: |
| 3963 | case X86::BI__builtin_ia32_cvtps2dq512_mask: |
| 3964 | case X86::BI__builtin_ia32_cvtps2qq512_mask: |
| 3965 | case X86::BI__builtin_ia32_cvtps2udq512_mask: |
| 3966 | case X86::BI__builtin_ia32_cvtps2uqq512_mask: |
| 3967 | case X86::BI__builtin_ia32_cvtqq2pd512_mask: |
| 3968 | case X86::BI__builtin_ia32_cvtqq2ps512_mask: |
| 3969 | case X86::BI__builtin_ia32_cvtuqq2pd512_mask: |
| 3970 | case X86::BI__builtin_ia32_cvtuqq2ps512_mask: |
| 3971 | ArgNum = 3; |
| 3972 | HasRC = true; |
| 3973 | break; |
| 3974 | case X86::BI__builtin_ia32_addss_round_mask: |
| 3975 | case X86::BI__builtin_ia32_addsd_round_mask: |
| 3976 | case X86::BI__builtin_ia32_divss_round_mask: |
| 3977 | case X86::BI__builtin_ia32_divsd_round_mask: |
| 3978 | case X86::BI__builtin_ia32_mulss_round_mask: |
| 3979 | case X86::BI__builtin_ia32_mulsd_round_mask: |
| 3980 | case X86::BI__builtin_ia32_subss_round_mask: |
| 3981 | case X86::BI__builtin_ia32_subsd_round_mask: |
| 3982 | case X86::BI__builtin_ia32_scalefpd512_mask: |
| 3983 | case X86::BI__builtin_ia32_scalefps512_mask: |
| 3984 | case X86::BI__builtin_ia32_scalefsd_round_mask: |
| 3985 | case X86::BI__builtin_ia32_scalefss_round_mask: |
| 3986 | case X86::BI__builtin_ia32_cvtsd2ss_round_mask: |
| 3987 | case X86::BI__builtin_ia32_sqrtsd_round_mask: |
| 3988 | case X86::BI__builtin_ia32_sqrtss_round_mask: |
| 3989 | case X86::BI__builtin_ia32_vfmaddsd3_mask: |
| 3990 | case X86::BI__builtin_ia32_vfmaddsd3_maskz: |
| 3991 | case X86::BI__builtin_ia32_vfmaddsd3_mask3: |
| 3992 | case X86::BI__builtin_ia32_vfmaddss3_mask: |
| 3993 | case X86::BI__builtin_ia32_vfmaddss3_maskz: |
| 3994 | case X86::BI__builtin_ia32_vfmaddss3_mask3: |
| 3995 | case X86::BI__builtin_ia32_vfmaddpd512_mask: |
| 3996 | case X86::BI__builtin_ia32_vfmaddpd512_maskz: |
| 3997 | case X86::BI__builtin_ia32_vfmaddpd512_mask3: |
| 3998 | case X86::BI__builtin_ia32_vfmsubpd512_mask3: |
| 3999 | case X86::BI__builtin_ia32_vfmaddps512_mask: |
| 4000 | case X86::BI__builtin_ia32_vfmaddps512_maskz: |
| 4001 | case X86::BI__builtin_ia32_vfmaddps512_mask3: |
| 4002 | case X86::BI__builtin_ia32_vfmsubps512_mask3: |
| 4003 | case X86::BI__builtin_ia32_vfmaddsubpd512_mask: |
| 4004 | case X86::BI__builtin_ia32_vfmaddsubpd512_maskz: |
| 4005 | case X86::BI__builtin_ia32_vfmaddsubpd512_mask3: |
| 4006 | case X86::BI__builtin_ia32_vfmsubaddpd512_mask3: |
| 4007 | case X86::BI__builtin_ia32_vfmaddsubps512_mask: |
| 4008 | case X86::BI__builtin_ia32_vfmaddsubps512_maskz: |
| 4009 | case X86::BI__builtin_ia32_vfmaddsubps512_mask3: |
| 4010 | case X86::BI__builtin_ia32_vfmsubaddps512_mask3: |
| 4011 | ArgNum = 4; |
| 4012 | HasRC = true; |
| 4013 | break; |
| 4014 | } |
| 4015 | |
| 4016 | llvm::APSInt Result; |
| 4017 | |
| 4018 | // We can't check the value of a dependent argument. |
| 4019 | Expr *Arg = TheCall->getArg(ArgNum); |
| 4020 | if (Arg->isTypeDependent() || Arg->isValueDependent()) |
| 4021 | return false; |
| 4022 | |
| 4023 | // Check constant-ness first. |
| 4024 | if (SemaBuiltinConstantArg(TheCall, ArgNum, Result)) |
| 4025 | return true; |
| 4026 | |
| 4027 | // Make sure rounding mode is either ROUND_CUR_DIRECTION or ROUND_NO_EXC bit |
| 4028 | // is set. If the intrinsic has rounding control(bits 1:0), make sure its only |
| 4029 | // combined with ROUND_NO_EXC. If the intrinsic does not have rounding |
| 4030 | // control, allow ROUND_NO_EXC and ROUND_CUR_DIRECTION together. |
| 4031 | if (Result == 4/*ROUND_CUR_DIRECTION*/ || |
| 4032 | Result == 8/*ROUND_NO_EXC*/ || |
| 4033 | (!HasRC && Result == 12/*ROUND_CUR_DIRECTION|ROUND_NO_EXC*/) || |
| 4034 | (HasRC && Result.getZExtValue() >= 8 && Result.getZExtValue() <= 11)) |
| 4035 | return false; |
| 4036 | |
| 4037 | return Diag(TheCall->getBeginLoc(), diag::err_x86_builtin_invalid_rounding) |
| 4038 | << Arg->getSourceRange(); |
| 4039 | } |
| 4040 | |
| 4041 | // Check if the gather/scatter scale is legal. |
| 4042 | bool Sema::CheckX86BuiltinGatherScatterScale(unsigned BuiltinID, |
| 4043 | CallExpr *TheCall) { |
| 4044 | unsigned ArgNum = 0; |
| 4045 | switch (BuiltinID) { |
| 4046 | default: |
| 4047 | return false; |
| 4048 | case X86::BI__builtin_ia32_gatherpfdpd: |
| 4049 | case X86::BI__builtin_ia32_gatherpfdps: |
| 4050 | case X86::BI__builtin_ia32_gatherpfqpd: |
| 4051 | case X86::BI__builtin_ia32_gatherpfqps: |
| 4052 | case X86::BI__builtin_ia32_scatterpfdpd: |
| 4053 | case X86::BI__builtin_ia32_scatterpfdps: |
| 4054 | case X86::BI__builtin_ia32_scatterpfqpd: |
| 4055 | case X86::BI__builtin_ia32_scatterpfqps: |
| 4056 | ArgNum = 3; |
| 4057 | break; |
| 4058 | case X86::BI__builtin_ia32_gatherd_pd: |
| 4059 | case X86::BI__builtin_ia32_gatherd_pd256: |
| 4060 | case X86::BI__builtin_ia32_gatherq_pd: |
| 4061 | case X86::BI__builtin_ia32_gatherq_pd256: |
| 4062 | case X86::BI__builtin_ia32_gatherd_ps: |
| 4063 | case X86::BI__builtin_ia32_gatherd_ps256: |
| 4064 | case X86::BI__builtin_ia32_gatherq_ps: |
| 4065 | case X86::BI__builtin_ia32_gatherq_ps256: |
| 4066 | case X86::BI__builtin_ia32_gatherd_q: |
| 4067 | case X86::BI__builtin_ia32_gatherd_q256: |
| 4068 | case X86::BI__builtin_ia32_gatherq_q: |
| 4069 | case X86::BI__builtin_ia32_gatherq_q256: |
| 4070 | case X86::BI__builtin_ia32_gatherd_d: |
| 4071 | case X86::BI__builtin_ia32_gatherd_d256: |
| 4072 | case X86::BI__builtin_ia32_gatherq_d: |
| 4073 | case X86::BI__builtin_ia32_gatherq_d256: |
| 4074 | case X86::BI__builtin_ia32_gather3div2df: |
| 4075 | case X86::BI__builtin_ia32_gather3div2di: |
| 4076 | case X86::BI__builtin_ia32_gather3div4df: |
| 4077 | case X86::BI__builtin_ia32_gather3div4di: |
| 4078 | case X86::BI__builtin_ia32_gather3div4sf: |
| 4079 | case X86::BI__builtin_ia32_gather3div4si: |
| 4080 | case X86::BI__builtin_ia32_gather3div8sf: |
| 4081 | case X86::BI__builtin_ia32_gather3div8si: |
| 4082 | case X86::BI__builtin_ia32_gather3siv2df: |
| 4083 | case X86::BI__builtin_ia32_gather3siv2di: |
| 4084 | case X86::BI__builtin_ia32_gather3siv4df: |
| 4085 | case X86::BI__builtin_ia32_gather3siv4di: |
| 4086 | case X86::BI__builtin_ia32_gather3siv4sf: |
| 4087 | case X86::BI__builtin_ia32_gather3siv4si: |
| 4088 | case X86::BI__builtin_ia32_gather3siv8sf: |
| 4089 | case X86::BI__builtin_ia32_gather3siv8si: |
| 4090 | case X86::BI__builtin_ia32_gathersiv8df: |
| 4091 | case X86::BI__builtin_ia32_gathersiv16sf: |
| 4092 | case X86::BI__builtin_ia32_gatherdiv8df: |
| 4093 | case X86::BI__builtin_ia32_gatherdiv16sf: |
| 4094 | case X86::BI__builtin_ia32_gathersiv8di: |
| 4095 | case X86::BI__builtin_ia32_gathersiv16si: |
| 4096 | case X86::BI__builtin_ia32_gatherdiv8di: |
| 4097 | case X86::BI__builtin_ia32_gatherdiv16si: |
| 4098 | case X86::BI__builtin_ia32_scatterdiv2df: |
| 4099 | case X86::BI__builtin_ia32_scatterdiv2di: |
| 4100 | case X86::BI__builtin_ia32_scatterdiv4df: |
| 4101 | case X86::BI__builtin_ia32_scatterdiv4di: |
| 4102 | case X86::BI__builtin_ia32_scatterdiv4sf: |
| 4103 | case X86::BI__builtin_ia32_scatterdiv4si: |
| 4104 | case X86::BI__builtin_ia32_scatterdiv8sf: |
| 4105 | case X86::BI__builtin_ia32_scatterdiv8si: |
| 4106 | case X86::BI__builtin_ia32_scattersiv2df: |
| 4107 | case X86::BI__builtin_ia32_scattersiv2di: |
| 4108 | case X86::BI__builtin_ia32_scattersiv4df: |
| 4109 | case X86::BI__builtin_ia32_scattersiv4di: |
| 4110 | case X86::BI__builtin_ia32_scattersiv4sf: |
| 4111 | case X86::BI__builtin_ia32_scattersiv4si: |
| 4112 | case X86::BI__builtin_ia32_scattersiv8sf: |
| 4113 | case X86::BI__builtin_ia32_scattersiv8si: |
| 4114 | case X86::BI__builtin_ia32_scattersiv8df: |
| 4115 | case X86::BI__builtin_ia32_scattersiv16sf: |
| 4116 | case X86::BI__builtin_ia32_scatterdiv8df: |
| 4117 | case X86::BI__builtin_ia32_scatterdiv16sf: |
| 4118 | case X86::BI__builtin_ia32_scattersiv8di: |
| 4119 | case X86::BI__builtin_ia32_scattersiv16si: |
| 4120 | case X86::BI__builtin_ia32_scatterdiv8di: |
| 4121 | case X86::BI__builtin_ia32_scatterdiv16si: |
| 4122 | ArgNum = 4; |
| 4123 | break; |
| 4124 | } |
| 4125 | |
| 4126 | llvm::APSInt Result; |
| 4127 | |
| 4128 | // We can't check the value of a dependent argument. |
| 4129 | Expr *Arg = TheCall->getArg(ArgNum); |
| 4130 | if (Arg->isTypeDependent() || Arg->isValueDependent()) |
| 4131 | return false; |
| 4132 | |
| 4133 | // Check constant-ness first. |
| 4134 | if (SemaBuiltinConstantArg(TheCall, ArgNum, Result)) |
| 4135 | return true; |
| 4136 | |
| 4137 | if (Result == 1 || Result == 2 || Result == 4 || Result == 8) |
| 4138 | return false; |
| 4139 | |
| 4140 | return Diag(TheCall->getBeginLoc(), diag::err_x86_builtin_invalid_scale) |
| 4141 | << Arg->getSourceRange(); |
| 4142 | } |
| 4143 | |
| 4144 | enum { TileRegLow = 0, TileRegHigh = 7 }; |
| 4145 | |
| 4146 | bool Sema::CheckX86BuiltinTileArgumentsRange(CallExpr *TheCall, |
| 4147 | ArrayRef<int> ArgNums) { |
| 4148 | for (int ArgNum : ArgNums) { |
| 4149 | if (SemaBuiltinConstantArgRange(TheCall, ArgNum, TileRegLow, TileRegHigh)) |
| 4150 | return true; |
| 4151 | } |
| 4152 | return false; |
| 4153 | } |
| 4154 | |
| 4155 | bool Sema::CheckX86BuiltinTileDuplicate(CallExpr *TheCall, |
| 4156 | ArrayRef<int> ArgNums) { |
| 4157 | // Because the max number of tile register is TileRegHigh + 1, so here we use |
| 4158 | // each bit to represent the usage of them in bitset. |
| 4159 | std::bitset<TileRegHigh + 1> ArgValues; |
| 4160 | for (int ArgNum : ArgNums) { |
| 4161 | Expr *Arg = TheCall->getArg(ArgNum); |
| 4162 | if (Arg->isTypeDependent() || Arg->isValueDependent()) |
| 4163 | continue; |
| 4164 | |
| 4165 | llvm::APSInt Result; |
| 4166 | if (SemaBuiltinConstantArg(TheCall, ArgNum, Result)) |
| 4167 | return true; |
| 4168 | int ArgExtValue = Result.getExtValue(); |
| 4169 | assert((ArgExtValue >= TileRegLow || ArgExtValue <= TileRegHigh) &&((void)0) |
| 4170 | "Incorrect tile register num.")((void)0); |
| 4171 | if (ArgValues.test(ArgExtValue)) |
| 4172 | return Diag(TheCall->getBeginLoc(), |
| 4173 | diag::err_x86_builtin_tile_arg_duplicate) |
| 4174 | << TheCall->getArg(ArgNum)->getSourceRange(); |
| 4175 | ArgValues.set(ArgExtValue); |
| 4176 | } |
| 4177 | return false; |
| 4178 | } |
| 4179 | |
| 4180 | bool Sema::CheckX86BuiltinTileRangeAndDuplicate(CallExpr *TheCall, |
| 4181 | ArrayRef<int> ArgNums) { |
| 4182 | return CheckX86BuiltinTileArgumentsRange(TheCall, ArgNums) || |
| 4183 | CheckX86BuiltinTileDuplicate(TheCall, ArgNums); |
| 4184 | } |
| 4185 | |
| 4186 | bool Sema::CheckX86BuiltinTileArguments(unsigned BuiltinID, CallExpr *TheCall) { |
| 4187 | switch (BuiltinID) { |
| 4188 | default: |
| 4189 | return false; |
| 4190 | case X86::BI__builtin_ia32_tileloadd64: |
| 4191 | case X86::BI__builtin_ia32_tileloaddt164: |
| 4192 | case X86::BI__builtin_ia32_tilestored64: |
| 4193 | case X86::BI__builtin_ia32_tilezero: |
| 4194 | return CheckX86BuiltinTileArgumentsRange(TheCall, 0); |
| 4195 | case X86::BI__builtin_ia32_tdpbssd: |
| 4196 | case X86::BI__builtin_ia32_tdpbsud: |
| 4197 | case X86::BI__builtin_ia32_tdpbusd: |
| 4198 | case X86::BI__builtin_ia32_tdpbuud: |
| 4199 | case X86::BI__builtin_ia32_tdpbf16ps: |
| 4200 | return CheckX86BuiltinTileRangeAndDuplicate(TheCall, {0, 1, 2}); |
| 4201 | } |
| 4202 | } |
| 4203 | static bool isX86_32Builtin(unsigned BuiltinID) { |
| 4204 | // These builtins only work on x86-32 targets. |
| 4205 | switch (BuiltinID) { |
| 4206 | case X86::BI__builtin_ia32_readeflags_u32: |
| 4207 | case X86::BI__builtin_ia32_writeeflags_u32: |
| 4208 | return true; |
| 4209 | } |
| 4210 | |
| 4211 | return false; |
| 4212 | } |
| 4213 | |
| 4214 | bool Sema::CheckX86BuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
| 4215 | CallExpr *TheCall) { |
| 4216 | if (BuiltinID == X86::BI__builtin_cpu_supports) |
| 4217 | return SemaBuiltinCpuSupports(*this, TI, TheCall); |
| 4218 | |
| 4219 | if (BuiltinID == X86::BI__builtin_cpu_is) |
| 4220 | return SemaBuiltinCpuIs(*this, TI, TheCall); |
| 4221 | |
| 4222 | // Check for 32-bit only builtins on a 64-bit target. |
| 4223 | const llvm::Triple &TT = TI.getTriple(); |
| 4224 | if (TT.getArch() != llvm::Triple::x86 && isX86_32Builtin(BuiltinID)) |
| 4225 | return Diag(TheCall->getCallee()->getBeginLoc(), |
| 4226 | diag::err_32_bit_builtin_64_bit_tgt); |
| 4227 | |
| 4228 | // If the intrinsic has rounding or SAE make sure its valid. |
| 4229 | if (CheckX86BuiltinRoundingOrSAE(BuiltinID, TheCall)) |
| 4230 | return true; |
| 4231 | |
| 4232 | // If the intrinsic has a gather/scatter scale immediate make sure its valid. |
| 4233 | if (CheckX86BuiltinGatherScatterScale(BuiltinID, TheCall)) |
| 4234 | return true; |
| 4235 | |
| 4236 | // If the intrinsic has a tile arguments, make sure they are valid. |
| 4237 | if (CheckX86BuiltinTileArguments(BuiltinID, TheCall)) |
| 4238 | return true; |
| 4239 | |
| 4240 | // For intrinsics which take an immediate value as part of the instruction, |
| 4241 | // range check them here. |
| 4242 | int i = 0, l = 0, u = 0; |
| 4243 | switch (BuiltinID) { |
| 4244 | default: |
| 4245 | return false; |
| 4246 | case X86::BI__builtin_ia32_vec_ext_v2si: |
| 4247 | case X86::BI__builtin_ia32_vec_ext_v2di: |
| 4248 | case X86::BI__builtin_ia32_vextractf128_pd256: |
| 4249 | case X86::BI__builtin_ia32_vextractf128_ps256: |
| 4250 | case X86::BI__builtin_ia32_vextractf128_si256: |
| 4251 | case X86::BI__builtin_ia32_extract128i256: |
| 4252 | case X86::BI__builtin_ia32_extractf64x4_mask: |
| 4253 | case X86::BI__builtin_ia32_extracti64x4_mask: |
| 4254 | case X86::BI__builtin_ia32_extractf32x8_mask: |
| 4255 | case X86::BI__builtin_ia32_extracti32x8_mask: |
| 4256 | case X86::BI__builtin_ia32_extractf64x2_256_mask: |
| 4257 | case X86::BI__builtin_ia32_extracti64x2_256_mask: |
| 4258 | case X86::BI__builtin_ia32_extractf32x4_256_mask: |
| 4259 | case X86::BI__builtin_ia32_extracti32x4_256_mask: |
| 4260 | i = 1; l = 0; u = 1; |
| 4261 | break; |
| 4262 | case X86::BI__builtin_ia32_vec_set_v2di: |
| 4263 | case X86::BI__builtin_ia32_vinsertf128_pd256: |
| 4264 | case X86::BI__builtin_ia32_vinsertf128_ps256: |
| 4265 | case X86::BI__builtin_ia32_vinsertf128_si256: |
| 4266 | case X86::BI__builtin_ia32_insert128i256: |
| 4267 | case X86::BI__builtin_ia32_insertf32x8: |
| 4268 | case X86::BI__builtin_ia32_inserti32x8: |
| 4269 | case X86::BI__builtin_ia32_insertf64x4: |
| 4270 | case X86::BI__builtin_ia32_inserti64x4: |
| 4271 | case X86::BI__builtin_ia32_insertf64x2_256: |
| 4272 | case X86::BI__builtin_ia32_inserti64x2_256: |
| 4273 | case X86::BI__builtin_ia32_insertf32x4_256: |
| 4274 | case X86::BI__builtin_ia32_inserti32x4_256: |
| 4275 | i = 2; l = 0; u = 1; |
| 4276 | break; |
| 4277 | case X86::BI__builtin_ia32_vpermilpd: |
| 4278 | case X86::BI__builtin_ia32_vec_ext_v4hi: |
| 4279 | case X86::BI__builtin_ia32_vec_ext_v4si: |
| 4280 | case X86::BI__builtin_ia32_vec_ext_v4sf: |
| 4281 | case X86::BI__builtin_ia32_vec_ext_v4di: |
| 4282 | case X86::BI__builtin_ia32_extractf32x4_mask: |
| 4283 | case X86::BI__builtin_ia32_extracti32x4_mask: |
| 4284 | case X86::BI__builtin_ia32_extractf64x2_512_mask: |
| 4285 | case X86::BI__builtin_ia32_extracti64x2_512_mask: |
| 4286 | i = 1; l = 0; u = 3; |
| 4287 | break; |
| 4288 | case X86::BI_mm_prefetch: |
| 4289 | case X86::BI__builtin_ia32_vec_ext_v8hi: |
| 4290 | case X86::BI__builtin_ia32_vec_ext_v8si: |
| 4291 | i = 1; l = 0; u = 7; |
| 4292 | break; |
| 4293 | case X86::BI__builtin_ia32_sha1rnds4: |
| 4294 | case X86::BI__builtin_ia32_blendpd: |
| 4295 | case X86::BI__builtin_ia32_shufpd: |
| 4296 | case X86::BI__builtin_ia32_vec_set_v4hi: |
| 4297 | case X86::BI__builtin_ia32_vec_set_v4si: |
| 4298 | case X86::BI__builtin_ia32_vec_set_v4di: |
| 4299 | case X86::BI__builtin_ia32_shuf_f32x4_256: |
| 4300 | case X86::BI__builtin_ia32_shuf_f64x2_256: |
| 4301 | case X86::BI__builtin_ia32_shuf_i32x4_256: |
| 4302 | case X86::BI__builtin_ia32_shuf_i64x2_256: |
| 4303 | case X86::BI__builtin_ia32_insertf64x2_512: |
| 4304 | case X86::BI__builtin_ia32_inserti64x2_512: |
| 4305 | case X86::BI__builtin_ia32_insertf32x4: |
| 4306 | case X86::BI__builtin_ia32_inserti32x4: |
| 4307 | i = 2; l = 0; u = 3; |
| 4308 | break; |
| 4309 | case X86::BI__builtin_ia32_vpermil2pd: |
| 4310 | case X86::BI__builtin_ia32_vpermil2pd256: |
| 4311 | case X86::BI__builtin_ia32_vpermil2ps: |
| 4312 | case X86::BI__builtin_ia32_vpermil2ps256: |
| 4313 | i = 3; l = 0; u = 3; |
| 4314 | break; |
| 4315 | case X86::BI__builtin_ia32_cmpb128_mask: |
| 4316 | case X86::BI__builtin_ia32_cmpw128_mask: |
| 4317 | case X86::BI__builtin_ia32_cmpd128_mask: |
| 4318 | case X86::BI__builtin_ia32_cmpq128_mask: |
| 4319 | case X86::BI__builtin_ia32_cmpb256_mask: |
| 4320 | case X86::BI__builtin_ia32_cmpw256_mask: |
| 4321 | case X86::BI__builtin_ia32_cmpd256_mask: |
| 4322 | case X86::BI__builtin_ia32_cmpq256_mask: |
| 4323 | case X86::BI__builtin_ia32_cmpb512_mask: |
| 4324 | case X86::BI__builtin_ia32_cmpw512_mask: |
| 4325 | case X86::BI__builtin_ia32_cmpd512_mask: |
| 4326 | case X86::BI__builtin_ia32_cmpq512_mask: |
| 4327 | case X86::BI__builtin_ia32_ucmpb128_mask: |
| 4328 | case X86::BI__builtin_ia32_ucmpw128_mask: |
| 4329 | case X86::BI__builtin_ia32_ucmpd128_mask: |
| 4330 | case X86::BI__builtin_ia32_ucmpq128_mask: |
| 4331 | case X86::BI__builtin_ia32_ucmpb256_mask: |
| 4332 | case X86::BI__builtin_ia32_ucmpw256_mask: |
| 4333 | case X86::BI__builtin_ia32_ucmpd256_mask: |
| 4334 | case X86::BI__builtin_ia32_ucmpq256_mask: |
| 4335 | case X86::BI__builtin_ia32_ucmpb512_mask: |
| 4336 | case X86::BI__builtin_ia32_ucmpw512_mask: |
| 4337 | case X86::BI__builtin_ia32_ucmpd512_mask: |
| 4338 | case X86::BI__builtin_ia32_ucmpq512_mask: |
| 4339 | case X86::BI__builtin_ia32_vpcomub: |
| 4340 | case X86::BI__builtin_ia32_vpcomuw: |
| 4341 | case X86::BI__builtin_ia32_vpcomud: |
| 4342 | case X86::BI__builtin_ia32_vpcomuq: |
| 4343 | case X86::BI__builtin_ia32_vpcomb: |
| 4344 | case X86::BI__builtin_ia32_vpcomw: |
| 4345 | case X86::BI__builtin_ia32_vpcomd: |
| 4346 | case X86::BI__builtin_ia32_vpcomq: |
| 4347 | case X86::BI__builtin_ia32_vec_set_v8hi: |
| 4348 | case X86::BI__builtin_ia32_vec_set_v8si: |
| 4349 | i = 2; l = 0; u = 7; |
| 4350 | break; |
| 4351 | case X86::BI__builtin_ia32_vpermilpd256: |
| 4352 | case X86::BI__builtin_ia32_roundps: |
| 4353 | case X86::BI__builtin_ia32_roundpd: |
| 4354 | case X86::BI__builtin_ia32_roundps256: |
| 4355 | case X86::BI__builtin_ia32_roundpd256: |
| 4356 | case X86::BI__builtin_ia32_getmantpd128_mask: |
| 4357 | case X86::BI__builtin_ia32_getmantpd256_mask: |
| 4358 | case X86::BI__builtin_ia32_getmantps128_mask: |
| 4359 | case X86::BI__builtin_ia32_getmantps256_mask: |
| 4360 | case X86::BI__builtin_ia32_getmantpd512_mask: |
| 4361 | case X86::BI__builtin_ia32_getmantps512_mask: |
| 4362 | case X86::BI__builtin_ia32_vec_ext_v16qi: |
| 4363 | case X86::BI__builtin_ia32_vec_ext_v16hi: |
| 4364 | i = 1; l = 0; u = 15; |
| 4365 | break; |
| 4366 | case X86::BI__builtin_ia32_pblendd128: |
| 4367 | case X86::BI__builtin_ia32_blendps: |
| 4368 | case X86::BI__builtin_ia32_blendpd256: |
| 4369 | case X86::BI__builtin_ia32_shufpd256: |
| 4370 | case X86::BI__builtin_ia32_roundss: |
| 4371 | case X86::BI__builtin_ia32_roundsd: |
| 4372 | case X86::BI__builtin_ia32_rangepd128_mask: |
| 4373 | case X86::BI__builtin_ia32_rangepd256_mask: |
| 4374 | case X86::BI__builtin_ia32_rangepd512_mask: |
| 4375 | case X86::BI__builtin_ia32_rangeps128_mask: |
| 4376 | case X86::BI__builtin_ia32_rangeps256_mask: |
| 4377 | case X86::BI__builtin_ia32_rangeps512_mask: |
| 4378 | case X86::BI__builtin_ia32_getmantsd_round_mask: |
| 4379 | case X86::BI__builtin_ia32_getmantss_round_mask: |
| 4380 | case X86::BI__builtin_ia32_vec_set_v16qi: |
| 4381 | case X86::BI__builtin_ia32_vec_set_v16hi: |
| 4382 | i = 2; l = 0; u = 15; |
| 4383 | break; |
| 4384 | case X86::BI__builtin_ia32_vec_ext_v32qi: |
| 4385 | i = 1; l = 0; u = 31; |
| 4386 | break; |
| 4387 | case X86::BI__builtin_ia32_cmpps: |
| 4388 | case X86::BI__builtin_ia32_cmpss: |
| 4389 | case X86::BI__builtin_ia32_cmppd: |
| 4390 | case X86::BI__builtin_ia32_cmpsd: |
| 4391 | case X86::BI__builtin_ia32_cmpps256: |
| 4392 | case X86::BI__builtin_ia32_cmppd256: |
| 4393 | case X86::BI__builtin_ia32_cmpps128_mask: |
| 4394 | case X86::BI__builtin_ia32_cmppd128_mask: |
| 4395 | case X86::BI__builtin_ia32_cmpps256_mask: |
| 4396 | case X86::BI__builtin_ia32_cmppd256_mask: |
| 4397 | case X86::BI__builtin_ia32_cmpps512_mask: |
| 4398 | case X86::BI__builtin_ia32_cmppd512_mask: |
| 4399 | case X86::BI__builtin_ia32_cmpsd_mask: |
| 4400 | case X86::BI__builtin_ia32_cmpss_mask: |
| 4401 | case X86::BI__builtin_ia32_vec_set_v32qi: |
| 4402 | i = 2; l = 0; u = 31; |
| 4403 | break; |
| 4404 | case X86::BI__builtin_ia32_permdf256: |
| 4405 | case X86::BI__builtin_ia32_permdi256: |
| 4406 | case X86::BI__builtin_ia32_permdf512: |
| 4407 | case X86::BI__builtin_ia32_permdi512: |
| 4408 | case X86::BI__builtin_ia32_vpermilps: |
| 4409 | case X86::BI__builtin_ia32_vpermilps256: |
| 4410 | case X86::BI__builtin_ia32_vpermilpd512: |
| 4411 | case X86::BI__builtin_ia32_vpermilps512: |
| 4412 | case X86::BI__builtin_ia32_pshufd: |
| 4413 | case X86::BI__builtin_ia32_pshufd256: |
| 4414 | case X86::BI__builtin_ia32_pshufd512: |
| 4415 | case X86::BI__builtin_ia32_pshufhw: |
| 4416 | case X86::BI__builtin_ia32_pshufhw256: |
| 4417 | case X86::BI__builtin_ia32_pshufhw512: |
| 4418 | case X86::BI__builtin_ia32_pshuflw: |
| 4419 | case X86::BI__builtin_ia32_pshuflw256: |
| 4420 | case X86::BI__builtin_ia32_pshuflw512: |
| 4421 | case X86::BI__builtin_ia32_vcvtps2ph: |
| 4422 | case X86::BI__builtin_ia32_vcvtps2ph_mask: |
| 4423 | case X86::BI__builtin_ia32_vcvtps2ph256: |
| 4424 | case X86::BI__builtin_ia32_vcvtps2ph256_mask: |
| 4425 | case X86::BI__builtin_ia32_vcvtps2ph512_mask: |
| 4426 | case X86::BI__builtin_ia32_rndscaleps_128_mask: |
| 4427 | case X86::BI__builtin_ia32_rndscalepd_128_mask: |
| 4428 | case X86::BI__builtin_ia32_rndscaleps_256_mask: |
| 4429 | case X86::BI__builtin_ia32_rndscalepd_256_mask: |
| 4430 | case X86::BI__builtin_ia32_rndscaleps_mask: |
| 4431 | case X86::BI__builtin_ia32_rndscalepd_mask: |
| 4432 | case X86::BI__builtin_ia32_reducepd128_mask: |
| 4433 | case X86::BI__builtin_ia32_reducepd256_mask: |
| 4434 | case X86::BI__builtin_ia32_reducepd512_mask: |
| 4435 | case X86::BI__builtin_ia32_reduceps128_mask: |
| 4436 | case X86::BI__builtin_ia32_reduceps256_mask: |
| 4437 | case X86::BI__builtin_ia32_reduceps512_mask: |
| 4438 | case X86::BI__builtin_ia32_prold512: |
| 4439 | case X86::BI__builtin_ia32_prolq512: |
| 4440 | case X86::BI__builtin_ia32_prold128: |
| 4441 | case X86::BI__builtin_ia32_prold256: |
| 4442 | case X86::BI__builtin_ia32_prolq128: |
| 4443 | case X86::BI__builtin_ia32_prolq256: |
| 4444 | case X86::BI__builtin_ia32_prord512: |
| 4445 | case X86::BI__builtin_ia32_prorq512: |
| 4446 | case X86::BI__builtin_ia32_prord128: |
| 4447 | case X86::BI__builtin_ia32_prord256: |
| 4448 | case X86::BI__builtin_ia32_prorq128: |
| 4449 | case X86::BI__builtin_ia32_prorq256: |
| 4450 | case X86::BI__builtin_ia32_fpclasspd128_mask: |
| 4451 | case X86::BI__builtin_ia32_fpclasspd256_mask: |
| 4452 | case X86::BI__builtin_ia32_fpclassps128_mask: |
| 4453 | case X86::BI__builtin_ia32_fpclassps256_mask: |
| 4454 | case X86::BI__builtin_ia32_fpclassps512_mask: |
| 4455 | case X86::BI__builtin_ia32_fpclasspd512_mask: |
| 4456 | case X86::BI__builtin_ia32_fpclasssd_mask: |
| 4457 | case X86::BI__builtin_ia32_fpclassss_mask: |
| 4458 | case X86::BI__builtin_ia32_pslldqi128_byteshift: |
| 4459 | case X86::BI__builtin_ia32_pslldqi256_byteshift: |
| 4460 | case X86::BI__builtin_ia32_pslldqi512_byteshift: |
| 4461 | case X86::BI__builtin_ia32_psrldqi128_byteshift: |
| 4462 | case X86::BI__builtin_ia32_psrldqi256_byteshift: |
| 4463 | case X86::BI__builtin_ia32_psrldqi512_byteshift: |
| 4464 | case X86::BI__builtin_ia32_kshiftliqi: |
| 4465 | case X86::BI__builtin_ia32_kshiftlihi: |
| 4466 | case X86::BI__builtin_ia32_kshiftlisi: |
| 4467 | case X86::BI__builtin_ia32_kshiftlidi: |
| 4468 | case X86::BI__builtin_ia32_kshiftriqi: |
| 4469 | case X86::BI__builtin_ia32_kshiftrihi: |
| 4470 | case X86::BI__builtin_ia32_kshiftrisi: |
| 4471 | case X86::BI__builtin_ia32_kshiftridi: |
| 4472 | i = 1; l = 0; u = 255; |
| 4473 | break; |
| 4474 | case X86::BI__builtin_ia32_vperm2f128_pd256: |
| 4475 | case X86::BI__builtin_ia32_vperm2f128_ps256: |
| 4476 | case X86::BI__builtin_ia32_vperm2f128_si256: |
| 4477 | case X86::BI__builtin_ia32_permti256: |
| 4478 | case X86::BI__builtin_ia32_pblendw128: |
| 4479 | case X86::BI__builtin_ia32_pblendw256: |
| 4480 | case X86::BI__builtin_ia32_blendps256: |
| 4481 | case X86::BI__builtin_ia32_pblendd256: |
| 4482 | case X86::BI__builtin_ia32_palignr128: |
| 4483 | case X86::BI__builtin_ia32_palignr256: |
| 4484 | case X86::BI__builtin_ia32_palignr512: |
| 4485 | case X86::BI__builtin_ia32_alignq512: |
| 4486 | case X86::BI__builtin_ia32_alignd512: |
| 4487 | case X86::BI__builtin_ia32_alignd128: |
| 4488 | case X86::BI__builtin_ia32_alignd256: |
| 4489 | case X86::BI__builtin_ia32_alignq128: |
| 4490 | case X86::BI__builtin_ia32_alignq256: |
| 4491 | case X86::BI__builtin_ia32_vcomisd: |
| 4492 | case X86::BI__builtin_ia32_vcomiss: |
| 4493 | case X86::BI__builtin_ia32_shuf_f32x4: |
| 4494 | case X86::BI__builtin_ia32_shuf_f64x2: |
| 4495 | case X86::BI__builtin_ia32_shuf_i32x4: |
| 4496 | case X86::BI__builtin_ia32_shuf_i64x2: |
| 4497 | case X86::BI__builtin_ia32_shufpd512: |
| 4498 | case X86::BI__builtin_ia32_shufps: |
| 4499 | case X86::BI__builtin_ia32_shufps256: |
| 4500 | case X86::BI__builtin_ia32_shufps512: |
| 4501 | case X86::BI__builtin_ia32_dbpsadbw128: |
| 4502 | case X86::BI__builtin_ia32_dbpsadbw256: |
| 4503 | case X86::BI__builtin_ia32_dbpsadbw512: |
| 4504 | case X86::BI__builtin_ia32_vpshldd128: |
| 4505 | case X86::BI__builtin_ia32_vpshldd256: |
| 4506 | case X86::BI__builtin_ia32_vpshldd512: |
| 4507 | case X86::BI__builtin_ia32_vpshldq128: |
| 4508 | case X86::BI__builtin_ia32_vpshldq256: |
| 4509 | case X86::BI__builtin_ia32_vpshldq512: |
| 4510 | case X86::BI__builtin_ia32_vpshldw128: |
| 4511 | case X86::BI__builtin_ia32_vpshldw256: |
| 4512 | case X86::BI__builtin_ia32_vpshldw512: |
| 4513 | case X86::BI__builtin_ia32_vpshrdd128: |
| 4514 | case X86::BI__builtin_ia32_vpshrdd256: |
| 4515 | case X86::BI__builtin_ia32_vpshrdd512: |
| 4516 | case X86::BI__builtin_ia32_vpshrdq128: |
| 4517 | case X86::BI__builtin_ia32_vpshrdq256: |
| 4518 | case X86::BI__builtin_ia32_vpshrdq512: |
| 4519 | case X86::BI__builtin_ia32_vpshrdw128: |
| 4520 | case X86::BI__builtin_ia32_vpshrdw256: |
| 4521 | case X86::BI__builtin_ia32_vpshrdw512: |
| 4522 | i = 2; l = 0; u = 255; |
| 4523 | break; |
| 4524 | case X86::BI__builtin_ia32_fixupimmpd512_mask: |
| 4525 | case X86::BI__builtin_ia32_fixupimmpd512_maskz: |
| 4526 | case X86::BI__builtin_ia32_fixupimmps512_mask: |
| 4527 | case X86::BI__builtin_ia32_fixupimmps512_maskz: |
| 4528 | case X86::BI__builtin_ia32_fixupimmsd_mask: |
| 4529 | case X86::BI__builtin_ia32_fixupimmsd_maskz: |
| 4530 | case X86::BI__builtin_ia32_fixupimmss_mask: |
| 4531 | case X86::BI__builtin_ia32_fixupimmss_maskz: |
| 4532 | case X86::BI__builtin_ia32_fixupimmpd128_mask: |
| 4533 | case X86::BI__builtin_ia32_fixupimmpd128_maskz: |
| 4534 | case X86::BI__builtin_ia32_fixupimmpd256_mask: |
| 4535 | case X86::BI__builtin_ia32_fixupimmpd256_maskz: |
| 4536 | case X86::BI__builtin_ia32_fixupimmps128_mask: |
| 4537 | case X86::BI__builtin_ia32_fixupimmps128_maskz: |
| 4538 | case X86::BI__builtin_ia32_fixupimmps256_mask: |
| 4539 | case X86::BI__builtin_ia32_fixupimmps256_maskz: |
| 4540 | case X86::BI__builtin_ia32_pternlogd512_mask: |
| 4541 | case X86::BI__builtin_ia32_pternlogd512_maskz: |
| 4542 | case X86::BI__builtin_ia32_pternlogq512_mask: |
| 4543 | case X86::BI__builtin_ia32_pternlogq512_maskz: |
| 4544 | case X86::BI__builtin_ia32_pternlogd128_mask: |
| 4545 | case X86::BI__builtin_ia32_pternlogd128_maskz: |
| 4546 | case X86::BI__builtin_ia32_pternlogd256_mask: |
| 4547 | case X86::BI__builtin_ia32_pternlogd256_maskz: |
| 4548 | case X86::BI__builtin_ia32_pternlogq128_mask: |
| 4549 | case X86::BI__builtin_ia32_pternlogq128_maskz: |
| 4550 | case X86::BI__builtin_ia32_pternlogq256_mask: |
| 4551 | case X86::BI__builtin_ia32_pternlogq256_maskz: |
| 4552 | i = 3; l = 0; u = 255; |
| 4553 | break; |
| 4554 | case X86::BI__builtin_ia32_gatherpfdpd: |
| 4555 | case X86::BI__builtin_ia32_gatherpfdps: |
| 4556 | case X86::BI__builtin_ia32_gatherpfqpd: |
| 4557 | case X86::BI__builtin_ia32_gatherpfqps: |
| 4558 | case X86::BI__builtin_ia32_scatterpfdpd: |
| 4559 | case X86::BI__builtin_ia32_scatterpfdps: |
| 4560 | case X86::BI__builtin_ia32_scatterpfqpd: |
| 4561 | case X86::BI__builtin_ia32_scatterpfqps: |
| 4562 | i = 4; l = 2; u = 3; |
| 4563 | break; |
| 4564 | case X86::BI__builtin_ia32_reducesd_mask: |
| 4565 | case X86::BI__builtin_ia32_reducess_mask: |
| 4566 | case X86::BI__builtin_ia32_rndscalesd_round_mask: |
| 4567 | case X86::BI__builtin_ia32_rndscaless_round_mask: |
| 4568 | i = 4; l = 0; u = 255; |
| 4569 | break; |
| 4570 | } |
| 4571 | |
| 4572 | // Note that we don't force a hard error on the range check here, allowing |
| 4573 | // template-generated or macro-generated dead code to potentially have out-of- |
| 4574 | // range values. These need to code generate, but don't need to necessarily |
| 4575 | // make any sense. We use a warning that defaults to an error. |
| 4576 | return SemaBuiltinConstantArgRange(TheCall, i, l, u, /*RangeIsError*/ false); |
| 4577 | } |
| 4578 | |
| 4579 | /// Given a FunctionDecl's FormatAttr, attempts to populate the FomatStringInfo |
| 4580 | /// parameter with the FormatAttr's correct format_idx and firstDataArg. |
| 4581 | /// Returns true when the format fits the function and the FormatStringInfo has |
| 4582 | /// been populated. |
| 4583 | bool Sema::getFormatStringInfo(const FormatAttr *Format, bool IsCXXMember, |
| 4584 | FormatStringInfo *FSI) { |
| 4585 | FSI->HasVAListArg = Format->getFirstArg() == 0; |
| 4586 | FSI->FormatIdx = Format->getFormatIdx() - 1; |
| 4587 | FSI->FirstDataArg = FSI->HasVAListArg ? 0 : Format->getFirstArg() - 1; |
| 4588 | |
| 4589 | // The way the format attribute works in GCC, the implicit this argument |
| 4590 | // of member functions is counted. However, it doesn't appear in our own |
| 4591 | // lists, so decrement format_idx in that case. |
| 4592 | if (IsCXXMember) { |
| 4593 | if(FSI->FormatIdx == 0) |
| 4594 | return false; |
| 4595 | --FSI->FormatIdx; |
| 4596 | if (FSI->FirstDataArg != 0) |
| 4597 | --FSI->FirstDataArg; |
| 4598 | } |
| 4599 | return true; |
| 4600 | } |
| 4601 | |
| 4602 | /// Checks if a the given expression evaluates to null. |
| 4603 | /// |
| 4604 | /// Returns true if the value evaluates to null. |
| 4605 | static bool CheckNonNullExpr(Sema &S, const Expr *Expr) { |
| 4606 | // If the expression has non-null type, it doesn't evaluate to null. |
| 4607 | if (auto nullability |
| 4608 | = Expr->IgnoreImplicit()->getType()->getNullability(S.Context)) { |
| 4609 | if (*nullability == NullabilityKind::NonNull) |
| 4610 | return false; |
| 4611 | } |
| 4612 | |
| 4613 | // As a special case, transparent unions initialized with zero are |
| 4614 | // considered null for the purposes of the nonnull attribute. |
| 4615 | if (const RecordType *UT = Expr->getType()->getAsUnionType()) { |
| 4616 | if (UT->getDecl()->hasAttr<TransparentUnionAttr>()) |
| 4617 | if (const CompoundLiteralExpr *CLE = |
| 4618 | dyn_cast<CompoundLiteralExpr>(Expr)) |
| 4619 | if (const InitListExpr *ILE = |
| 4620 | dyn_cast<InitListExpr>(CLE->getInitializer())) |
| 4621 | Expr = ILE->getInit(0); |
| 4622 | } |
| 4623 | |
| 4624 | bool Result; |
| 4625 | return (!Expr->isValueDependent() && |
| 4626 | Expr->EvaluateAsBooleanCondition(Result, S.Context) && |
| 4627 | !Result); |
| 4628 | } |
| 4629 | |
| 4630 | static void CheckNonNullArgument(Sema &S, |
| 4631 | const Expr *ArgExpr, |
| 4632 | SourceLocation CallSiteLoc) { |
| 4633 | if (CheckNonNullExpr(S, ArgExpr)) |
| 4634 | S.DiagRuntimeBehavior(CallSiteLoc, ArgExpr, |
| 4635 | S.PDiag(diag::warn_null_arg) |
| 4636 | << ArgExpr->getSourceRange()); |
| 4637 | } |
| 4638 | |
| 4639 | bool Sema::GetFormatNSStringIdx(const FormatAttr *Format, unsigned &Idx) { |
| 4640 | FormatStringInfo FSI; |
| 4641 | if ((GetFormatStringType(Format) == FST_NSString) && |
| 4642 | getFormatStringInfo(Format, false, &FSI)) { |
| 4643 | Idx = FSI.FormatIdx; |
| 4644 | return true; |
| 4645 | } |
| 4646 | return false; |
| 4647 | } |
| 4648 | |
| 4649 | /// Diagnose use of %s directive in an NSString which is being passed |
| 4650 | /// as formatting string to formatting method. |
| 4651 | static void |
| 4652 | DiagnoseCStringFormatDirectiveInCFAPI(Sema &S, |
| 4653 | const NamedDecl *FDecl, |
| 4654 | Expr **Args, |
| 4655 | unsigned NumArgs) { |
| 4656 | unsigned Idx = 0; |
| 4657 | bool Format = false; |
| 4658 | ObjCStringFormatFamily SFFamily = FDecl->getObjCFStringFormattingFamily(); |
| 4659 | if (SFFamily == ObjCStringFormatFamily::SFF_CFString) { |
| 4660 | Idx = 2; |
| 4661 | Format = true; |
| 4662 | } |
| 4663 | else |
| 4664 | for (const auto *I : FDecl->specific_attrs<FormatAttr>()) { |
| 4665 | if (S.GetFormatNSStringIdx(I, Idx)) { |
| 4666 | Format = true; |
| 4667 | break; |
| 4668 | } |
| 4669 | } |
| 4670 | if (!Format || NumArgs <= Idx) |
| 4671 | return; |
| 4672 | const Expr *FormatExpr = Args[Idx]; |
| 4673 | if (const CStyleCastExpr *CSCE = dyn_cast<CStyleCastExpr>(FormatExpr)) |
| 4674 | FormatExpr = CSCE->getSubExpr(); |
| 4675 | const StringLiteral *FormatString; |
| 4676 | if (const ObjCStringLiteral *OSL = |
| 4677 | dyn_cast<ObjCStringLiteral>(FormatExpr->IgnoreParenImpCasts())) |
| 4678 | FormatString = OSL->getString(); |
| 4679 | else |
| 4680 | FormatString = dyn_cast<StringLiteral>(FormatExpr->IgnoreParenImpCasts()); |
| 4681 | if (!FormatString) |
| 4682 | return; |
| 4683 | if (S.FormatStringHasSArg(FormatString)) { |
| 4684 | S.Diag(FormatExpr->getExprLoc(), diag::warn_objc_cdirective_format_string) |
| 4685 | << "%s" << 1 << 1; |
| 4686 | S.Diag(FDecl->getLocation(), diag::note_entity_declared_at) |
| 4687 | << FDecl->getDeclName(); |
| 4688 | } |
| 4689 | } |
| 4690 | |
| 4691 | /// Determine whether the given type has a non-null nullability annotation. |
| 4692 | static bool isNonNullType(ASTContext &ctx, QualType type) { |
| 4693 | if (auto nullability = type->getNullability(ctx)) |
| 4694 | return *nullability == NullabilityKind::NonNull; |
| 4695 | |
| 4696 | return false; |
| 4697 | } |
| 4698 | |
| 4699 | static void CheckNonNullArguments(Sema &S, |
| 4700 | const NamedDecl *FDecl, |
| 4701 | const FunctionProtoType *Proto, |
| 4702 | ArrayRef<const Expr *> Args, |
| 4703 | SourceLocation CallSiteLoc) { |
| 4704 | assert((FDecl || Proto) && "Need a function declaration or prototype")((void)0); |
| 4705 | |
| 4706 | // Already checked by by constant evaluator. |
| 4707 | if (S.isConstantEvaluated()) |
| 4708 | return; |
| 4709 | // Check the attributes attached to the method/function itself. |
| 4710 | llvm::SmallBitVector NonNullArgs; |
| 4711 | if (FDecl) { |
| 4712 | // Handle the nonnull attribute on the function/method declaration itself. |
| 4713 | for (const auto *NonNull : FDecl->specific_attrs<NonNullAttr>()) { |
| 4714 | if (!NonNull->args_size()) { |
| 4715 | // Easy case: all pointer arguments are nonnull. |
| 4716 | for (const auto *Arg : Args) |
| 4717 | if (S.isValidPointerAttrType(Arg->getType())) |
| 4718 | CheckNonNullArgument(S, Arg, CallSiteLoc); |
| 4719 | return; |
| 4720 | } |
| 4721 | |
| 4722 | for (const ParamIdx &Idx : NonNull->args()) { |
| 4723 | unsigned IdxAST = Idx.getASTIndex(); |
| 4724 | if (IdxAST >= Args.size()) |
| 4725 | continue; |
| 4726 | if (NonNullArgs.empty()) |
| 4727 | NonNullArgs.resize(Args.size()); |
| 4728 | NonNullArgs.set(IdxAST); |
| 4729 | } |
| 4730 | } |
| 4731 | } |
| 4732 | |
| 4733 | if (FDecl && (isa<FunctionDecl>(FDecl) || isa<ObjCMethodDecl>(FDecl))) { |
| 4734 | // Handle the nonnull attribute on the parameters of the |
| 4735 | // function/method. |
| 4736 | ArrayRef<ParmVarDecl*> parms; |
| 4737 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(FDecl)) |
| 4738 | parms = FD->parameters(); |
| 4739 | else |
| 4740 | parms = cast<ObjCMethodDecl>(FDecl)->parameters(); |
| 4741 | |
| 4742 | unsigned ParamIndex = 0; |
| 4743 | for (ArrayRef<ParmVarDecl*>::iterator I = parms.begin(), E = parms.end(); |
| 4744 | I != E; ++I, ++ParamIndex) { |
| 4745 | const ParmVarDecl *PVD = *I; |
| 4746 | if (PVD->hasAttr<NonNullAttr>() || |
| 4747 | isNonNullType(S.Context, PVD->getType())) { |
| 4748 | if (NonNullArgs.empty()) |
| 4749 | NonNullArgs.resize(Args.size()); |
| 4750 | |
| 4751 | NonNullArgs.set(ParamIndex); |
| 4752 | } |
| 4753 | } |
| 4754 | } else { |
| 4755 | // If we have a non-function, non-method declaration but no |
| 4756 | // function prototype, try to dig out the function prototype. |
| 4757 | if (!Proto) { |
| 4758 | if (const ValueDecl *VD = dyn_cast<ValueDecl>(FDecl)) { |
| 4759 | QualType type = VD->getType().getNonReferenceType(); |
| 4760 | if (auto pointerType = type->getAs<PointerType>()) |
| 4761 | type = pointerType->getPointeeType(); |
| 4762 | else if (auto blockType = type->getAs<BlockPointerType>()) |
| 4763 | type = blockType->getPointeeType(); |
| 4764 | // FIXME: data member pointers? |
| 4765 | |
| 4766 | // Dig out the function prototype, if there is one. |
| 4767 | Proto = type->getAs<FunctionProtoType>(); |
| 4768 | } |
| 4769 | } |
| 4770 | |
| 4771 | // Fill in non-null argument information from the nullability |
| 4772 | // information on the parameter types (if we have them). |
| 4773 | if (Proto) { |
| 4774 | unsigned Index = 0; |
| 4775 | for (auto paramType : Proto->getParamTypes()) { |
| 4776 | if (isNonNullType(S.Context, paramType)) { |
| 4777 | if (NonNullArgs.empty()) |
| 4778 | NonNullArgs.resize(Args.size()); |
| 4779 | |
| 4780 | NonNullArgs.set(Index); |
| 4781 | } |
| 4782 | |
| 4783 | ++Index; |
| 4784 | } |
| 4785 | } |
| 4786 | } |
| 4787 | |
| 4788 | // Check for non-null arguments. |
| 4789 | for (unsigned ArgIndex = 0, ArgIndexEnd = NonNullArgs.size(); |
| 4790 | ArgIndex != ArgIndexEnd; ++ArgIndex) { |
| 4791 | if (NonNullArgs[ArgIndex]) |
| 4792 | CheckNonNullArgument(S, Args[ArgIndex], CallSiteLoc); |
| 4793 | } |
| 4794 | } |
| 4795 | |
| 4796 | /// Warn if a pointer or reference argument passed to a function points to an |
| 4797 | /// object that is less aligned than the parameter. This can happen when |
| 4798 | /// creating a typedef with a lower alignment than the original type and then |
| 4799 | /// calling functions defined in terms of the original type. |
| 4800 | void Sema::CheckArgAlignment(SourceLocation Loc, NamedDecl *FDecl, |
| 4801 | StringRef ParamName, QualType ArgTy, |
| 4802 | QualType ParamTy) { |
| 4803 | |
| 4804 | // If a function accepts a pointer or reference type |
| 4805 | if (!ParamTy->isPointerType() && !ParamTy->isReferenceType()) |
| 4806 | return; |
| 4807 | |
| 4808 | // If the parameter is a pointer type, get the pointee type for the |
| 4809 | // argument too. If the parameter is a reference type, don't try to get |
| 4810 | // the pointee type for the argument. |
| 4811 | if (ParamTy->isPointerType()) |
| 4812 | ArgTy = ArgTy->getPointeeType(); |
| 4813 | |
| 4814 | // Remove reference or pointer |
| 4815 | ParamTy = ParamTy->getPointeeType(); |
| 4816 | |
| 4817 | // Find expected alignment, and the actual alignment of the passed object. |
| 4818 | // getTypeAlignInChars requires complete types |
| 4819 | if (ArgTy.isNull() || ParamTy->isIncompleteType() || |
| 4820 | ArgTy->isIncompleteType() || ParamTy->isUndeducedType() || |
| 4821 | ArgTy->isUndeducedType()) |
| 4822 | return; |
| 4823 | |
| 4824 | CharUnits ParamAlign = Context.getTypeAlignInChars(ParamTy); |
| 4825 | CharUnits ArgAlign = Context.getTypeAlignInChars(ArgTy); |
| 4826 | |
| 4827 | // If the argument is less aligned than the parameter, there is a |
| 4828 | // potential alignment issue. |
| 4829 | if (ArgAlign < ParamAlign) |
| 4830 | Diag(Loc, diag::warn_param_mismatched_alignment) |
| 4831 | << (int)ArgAlign.getQuantity() << (int)ParamAlign.getQuantity() |
| 4832 | << ParamName << FDecl; |
| 4833 | } |
| 4834 | |
| 4835 | /// Handles the checks for format strings, non-POD arguments to vararg |
| 4836 | /// functions, NULL arguments passed to non-NULL parameters, and diagnose_if |
| 4837 | /// attributes. |
| 4838 | void Sema::checkCall(NamedDecl *FDecl, const FunctionProtoType *Proto, |
| 4839 | const Expr *ThisArg, ArrayRef<const Expr *> Args, |
| 4840 | bool IsMemberFunction, SourceLocation Loc, |
| 4841 | SourceRange Range, VariadicCallType CallType) { |
| 4842 | // FIXME: We should check as much as we can in the template definition. |
| 4843 | if (CurContext->isDependentContext()) |
| 4844 | return; |
| 4845 | |
| 4846 | // Printf and scanf checking. |
| 4847 | llvm::SmallBitVector CheckedVarArgs; |
| 4848 | if (FDecl) { |
| 4849 | for (const auto *I : FDecl->specific_attrs<FormatAttr>()) { |
| 4850 | // Only create vector if there are format attributes. |
| 4851 | CheckedVarArgs.resize(Args.size()); |
| 4852 | |
| 4853 | CheckFormatArguments(I, Args, IsMemberFunction, CallType, Loc, Range, |
| 4854 | CheckedVarArgs); |
| 4855 | } |
| 4856 | } |
| 4857 | |
| 4858 | // Refuse POD arguments that weren't caught by the format string |
| 4859 | // checks above. |
| 4860 | auto *FD = dyn_cast_or_null<FunctionDecl>(FDecl); |
| 4861 | if (CallType != VariadicDoesNotApply && |
| 4862 | (!FD || FD->getBuiltinID() != Builtin::BI__noop)) { |
| 4863 | unsigned NumParams = Proto ? Proto->getNumParams() |
| 4864 | : FDecl && isa<FunctionDecl>(FDecl) |
| 4865 | ? cast<FunctionDecl>(FDecl)->getNumParams() |
| 4866 | : FDecl && isa<ObjCMethodDecl>(FDecl) |
| 4867 | ? cast<ObjCMethodDecl>(FDecl)->param_size() |
| 4868 | : 0; |
| 4869 | |
| 4870 | for (unsigned ArgIdx = NumParams; ArgIdx < Args.size(); ++ArgIdx) { |
| 4871 | // Args[ArgIdx] can be null in malformed code. |
| 4872 | if (const Expr *Arg = Args[ArgIdx]) { |
| 4873 | if (CheckedVarArgs.empty() || !CheckedVarArgs[ArgIdx]) |
| 4874 | checkVariadicArgument(Arg, CallType); |
| 4875 | } |
| 4876 | } |
| 4877 | } |
| 4878 | |
| 4879 | if (FDecl || Proto) { |
| 4880 | CheckNonNullArguments(*this, FDecl, Proto, Args, Loc); |
| 4881 | |
| 4882 | // Type safety checking. |
| 4883 | if (FDecl) { |
| 4884 | for (const auto *I : FDecl->specific_attrs<ArgumentWithTypeTagAttr>()) |
| 4885 | CheckArgumentWithTypeTag(I, Args, Loc); |
| 4886 | } |
| 4887 | } |
| 4888 | |
| 4889 | // Check that passed arguments match the alignment of original arguments. |
| 4890 | // Try to get the missing prototype from the declaration. |
| 4891 | if (!Proto && FDecl) { |
| 4892 | const auto *FT = FDecl->getFunctionType(); |
| 4893 | if (isa_and_nonnull<FunctionProtoType>(FT)) |
| 4894 | Proto = cast<FunctionProtoType>(FDecl->getFunctionType()); |
| 4895 | } |
| 4896 | if (Proto) { |
| 4897 | // For variadic functions, we may have more args than parameters. |
| 4898 | // For some K&R functions, we may have less args than parameters. |
| 4899 | const auto N = std::min<unsigned>(Proto->getNumParams(), Args.size()); |
| 4900 | for (unsigned ArgIdx = 0; ArgIdx < N; ++ArgIdx) { |
| 4901 | // Args[ArgIdx] can be null in malformed code. |
| 4902 | if (const Expr *Arg = Args[ArgIdx]) { |
| 4903 | if (Arg->containsErrors()) |
| 4904 | continue; |
| 4905 | |
| 4906 | QualType ParamTy = Proto->getParamType(ArgIdx); |
| 4907 | QualType ArgTy = Arg->getType(); |
| 4908 | CheckArgAlignment(Arg->getExprLoc(), FDecl, std::to_string(ArgIdx + 1), |
| 4909 | ArgTy, ParamTy); |
| 4910 | } |
| 4911 | } |
| 4912 | } |
| 4913 | |
| 4914 | if (FDecl && FDecl->hasAttr<AllocAlignAttr>()) { |
| 4915 | auto *AA = FDecl->getAttr<AllocAlignAttr>(); |
| 4916 | const Expr *Arg = Args[AA->getParamIndex().getASTIndex()]; |
| 4917 | if (!Arg->isValueDependent()) { |
| 4918 | Expr::EvalResult Align; |
| 4919 | if (Arg->EvaluateAsInt(Align, Context)) { |
| 4920 | const llvm::APSInt &I = Align.Val.getInt(); |
| 4921 | if (!I.isPowerOf2()) |
| 4922 | Diag(Arg->getExprLoc(), diag::warn_alignment_not_power_of_two) |
| 4923 | << Arg->getSourceRange(); |
| 4924 | |
| 4925 | if (I > Sema::MaximumAlignment) |
| 4926 | Diag(Arg->getExprLoc(), diag::warn_assume_aligned_too_great) |
| 4927 | << Arg->getSourceRange() << Sema::MaximumAlignment; |
| 4928 | } |
| 4929 | } |
| 4930 | } |
| 4931 | |
| 4932 | if (FD) |
| 4933 | diagnoseArgDependentDiagnoseIfAttrs(FD, ThisArg, Args, Loc); |
| 4934 | } |
| 4935 | |
| 4936 | /// CheckConstructorCall - Check a constructor call for correctness and safety |
| 4937 | /// properties not enforced by the C type system. |
| 4938 | void Sema::CheckConstructorCall(FunctionDecl *FDecl, QualType ThisType, |
| 4939 | ArrayRef<const Expr *> Args, |
| 4940 | const FunctionProtoType *Proto, |
| 4941 | SourceLocation Loc) { |
| 4942 | VariadicCallType CallType = |
| 4943 | Proto->isVariadic() ? VariadicConstructor : VariadicDoesNotApply; |
| 4944 | |
| 4945 | auto *Ctor = cast<CXXConstructorDecl>(FDecl); |
| 4946 | CheckArgAlignment(Loc, FDecl, "'this'", Context.getPointerType(ThisType), |
| 4947 | Context.getPointerType(Ctor->getThisObjectType())); |
| 4948 | |
| 4949 | checkCall(FDecl, Proto, /*ThisArg=*/nullptr, Args, /*IsMemberFunction=*/true, |
| 4950 | Loc, SourceRange(), CallType); |
| 4951 | } |
| 4952 | |
| 4953 | /// CheckFunctionCall - Check a direct function call for various correctness |
| 4954 | /// and safety properties not strictly enforced by the C type system. |
| 4955 | bool Sema::CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall, |
| 4956 | const FunctionProtoType *Proto) { |
| 4957 | bool IsMemberOperatorCall = isa<CXXOperatorCallExpr>(TheCall) && |
| 4958 | isa<CXXMethodDecl>(FDecl); |
| 4959 | bool IsMemberFunction = isa<CXXMemberCallExpr>(TheCall) || |
| 4960 | IsMemberOperatorCall; |
| 4961 | VariadicCallType CallType = getVariadicCallType(FDecl, Proto, |
| 4962 | TheCall->getCallee()); |
| 4963 | Expr** Args = TheCall->getArgs(); |
| 4964 | unsigned NumArgs = TheCall->getNumArgs(); |
| 4965 | |
| 4966 | Expr *ImplicitThis = nullptr; |
| 4967 | if (IsMemberOperatorCall) { |
| 4968 | // If this is a call to a member operator, hide the first argument |
| 4969 | // from checkCall. |
| 4970 | // FIXME: Our choice of AST representation here is less than ideal. |
| 4971 | ImplicitThis = Args[0]; |
| 4972 | ++Args; |
| 4973 | --NumArgs; |
| 4974 | } else if (IsMemberFunction) |
| 4975 | ImplicitThis = |
| 4976 | cast<CXXMemberCallExpr>(TheCall)->getImplicitObjectArgument(); |
| 4977 | |
| 4978 | if (ImplicitThis) { |
| 4979 | // ImplicitThis may or may not be a pointer, depending on whether . or -> is |
| 4980 | // used. |
| 4981 | QualType ThisType = ImplicitThis->getType(); |
| 4982 | if (!ThisType->isPointerType()) { |
| 4983 | assert(!ThisType->isReferenceType())((void)0); |
| 4984 | ThisType = Context.getPointerType(ThisType); |
| 4985 | } |
| 4986 | |
| 4987 | QualType ThisTypeFromDecl = |
| 4988 | Context.getPointerType(cast<CXXMethodDecl>(FDecl)->getThisObjectType()); |
| 4989 | |
| 4990 | CheckArgAlignment(TheCall->getRParenLoc(), FDecl, "'this'", ThisType, |
| 4991 | ThisTypeFromDecl); |
| 4992 | } |
| 4993 | |
| 4994 | checkCall(FDecl, Proto, ImplicitThis, llvm::makeArrayRef(Args, NumArgs), |
| 4995 | IsMemberFunction, TheCall->getRParenLoc(), |
| 4996 | TheCall->getCallee()->getSourceRange(), CallType); |
| 4997 | |
| 4998 | IdentifierInfo *FnInfo = FDecl->getIdentifier(); |
| 4999 | // None of the checks below are needed for functions that don't have |
| 5000 | // simple names (e.g., C++ conversion functions). |
| 5001 | if (!FnInfo) |
| 5002 | return false; |
| 5003 | |
| 5004 | CheckTCBEnforcement(TheCall, FDecl); |
| 5005 | |
| 5006 | CheckAbsoluteValueFunction(TheCall, FDecl); |
| 5007 | CheckMaxUnsignedZero(TheCall, FDecl); |
| 5008 | |
| 5009 | if (getLangOpts().ObjC) |
| 5010 | DiagnoseCStringFormatDirectiveInCFAPI(*this, FDecl, Args, NumArgs); |
| 5011 | |
| 5012 | unsigned CMId = FDecl->getMemoryFunctionKind(); |
| 5013 | |
| 5014 | // Handle memory setting and copying functions. |
| 5015 | switch (CMId) { |
| 5016 | case 0: |
| 5017 | return false; |
| 5018 | case Builtin::BIstrlcpy: // fallthrough |
| 5019 | case Builtin::BIstrlcat: |
| 5020 | CheckStrlcpycatArguments(TheCall, FnInfo); |
| 5021 | break; |
| 5022 | case Builtin::BIstrncat: |
| 5023 | CheckStrncatArguments(TheCall, FnInfo); |
| 5024 | break; |
| 5025 | case Builtin::BIfree: |
| 5026 | CheckFreeArguments(TheCall); |
| 5027 | break; |
| 5028 | default: |
| 5029 | CheckMemaccessArguments(TheCall, CMId, FnInfo); |
| 5030 | } |
| 5031 | |
| 5032 | return false; |
| 5033 | } |
| 5034 | |
| 5035 | bool Sema::CheckObjCMethodCall(ObjCMethodDecl *Method, SourceLocation lbrac, |
| 5036 | ArrayRef<const Expr *> Args) { |
| 5037 | VariadicCallType CallType = |
| 5038 | Method->isVariadic() ? VariadicMethod : VariadicDoesNotApply; |
| 5039 | |
| 5040 | checkCall(Method, nullptr, /*ThisArg=*/nullptr, Args, |
| 5041 | /*IsMemberFunction=*/false, lbrac, Method->getSourceRange(), |
| 5042 | CallType); |
| 5043 | |
| 5044 | return false; |
| 5045 | } |
| 5046 | |
| 5047 | bool Sema::CheckPointerCall(NamedDecl *NDecl, CallExpr *TheCall, |
| 5048 | const FunctionProtoType *Proto) { |
| 5049 | QualType Ty; |
| 5050 | if (const auto *V = dyn_cast<VarDecl>(NDecl)) |
| 5051 | Ty = V->getType().getNonReferenceType(); |
| 5052 | else if (const auto *F = dyn_cast<FieldDecl>(NDecl)) |
| 5053 | Ty = F->getType().getNonReferenceType(); |
| 5054 | else |
| 5055 | return false; |
| 5056 | |
| 5057 | if (!Ty->isBlockPointerType() && !Ty->isFunctionPointerType() && |
| 5058 | !Ty->isFunctionProtoType()) |
| 5059 | return false; |
| 5060 | |
| 5061 | VariadicCallType CallType; |
| 5062 | if (!Proto || !Proto->isVariadic()) { |
| 5063 | CallType = VariadicDoesNotApply; |
| 5064 | } else if (Ty->isBlockPointerType()) { |
| 5065 | CallType = VariadicBlock; |
| 5066 | } else { // Ty->isFunctionPointerType() |
| 5067 | CallType = VariadicFunction; |
| 5068 | } |
| 5069 | |
| 5070 | checkCall(NDecl, Proto, /*ThisArg=*/nullptr, |
| 5071 | llvm::makeArrayRef(TheCall->getArgs(), TheCall->getNumArgs()), |
| 5072 | /*IsMemberFunction=*/false, TheCall->getRParenLoc(), |
| 5073 | TheCall->getCallee()->getSourceRange(), CallType); |
| 5074 | |
| 5075 | return false; |
| 5076 | } |
| 5077 | |
| 5078 | /// Checks function calls when a FunctionDecl or a NamedDecl is not available, |
| 5079 | /// such as function pointers returned from functions. |
| 5080 | bool Sema::CheckOtherCall(CallExpr *TheCall, const FunctionProtoType *Proto) { |
| 5081 | VariadicCallType CallType = getVariadicCallType(/*FDecl=*/nullptr, Proto, |
| 5082 | TheCall->getCallee()); |
| 5083 | checkCall(/*FDecl=*/nullptr, Proto, /*ThisArg=*/nullptr, |
| 5084 | llvm::makeArrayRef(TheCall->getArgs(), TheCall->getNumArgs()), |
| 5085 | /*IsMemberFunction=*/false, TheCall->getRParenLoc(), |
| 5086 | TheCall->getCallee()->getSourceRange(), CallType); |
| 5087 | |
| 5088 | return false; |
| 5089 | } |
| 5090 | |
| 5091 | static bool isValidOrderingForOp(int64_t Ordering, AtomicExpr::AtomicOp Op) { |
| 5092 | if (!llvm::isValidAtomicOrderingCABI(Ordering)) |
| 5093 | return false; |
| 5094 | |
| 5095 | auto OrderingCABI = (llvm::AtomicOrderingCABI)Ordering; |
| 5096 | switch (Op) { |
| 5097 | case AtomicExpr::AO__c11_atomic_init: |
| 5098 | case AtomicExpr::AO__opencl_atomic_init: |
| 5099 | llvm_unreachable("There is no ordering argument for an init")__builtin_unreachable(); |
| 5100 | |
| 5101 | case AtomicExpr::AO__c11_atomic_load: |
| 5102 | case AtomicExpr::AO__opencl_atomic_load: |
| 5103 | case AtomicExpr::AO__atomic_load_n: |
| 5104 | case AtomicExpr::AO__atomic_load: |
| 5105 | return OrderingCABI != llvm::AtomicOrderingCABI::release && |
| 5106 | OrderingCABI != llvm::AtomicOrderingCABI::acq_rel; |
| 5107 | |
| 5108 | case AtomicExpr::AO__c11_atomic_store: |
| 5109 | case AtomicExpr::AO__opencl_atomic_store: |
| 5110 | case AtomicExpr::AO__atomic_store: |
| 5111 | case AtomicExpr::AO__atomic_store_n: |
| 5112 | return OrderingCABI != llvm::AtomicOrderingCABI::consume && |
| 5113 | OrderingCABI != llvm::AtomicOrderingCABI::acquire && |
| 5114 | OrderingCABI != llvm::AtomicOrderingCABI::acq_rel; |
| 5115 | |
| 5116 | default: |
| 5117 | return true; |
| 5118 | } |
| 5119 | } |
| 5120 | |
| 5121 | ExprResult Sema::SemaAtomicOpsOverloaded(ExprResult TheCallResult, |
| 5122 | AtomicExpr::AtomicOp Op) { |
| 5123 | CallExpr *TheCall = cast<CallExpr>(TheCallResult.get()); |
| 5124 | DeclRefExpr *DRE =cast<DeclRefExpr>(TheCall->getCallee()->IgnoreParenCasts()); |
| 5125 | MultiExprArg Args{TheCall->getArgs(), TheCall->getNumArgs()}; |
| 5126 | return BuildAtomicExpr({TheCall->getBeginLoc(), TheCall->getEndLoc()}, |
| 5127 | DRE->getSourceRange(), TheCall->getRParenLoc(), Args, |
| 5128 | Op); |
| 5129 | } |
| 5130 | |
| 5131 | ExprResult Sema::BuildAtomicExpr(SourceRange CallRange, SourceRange ExprRange, |
| 5132 | SourceLocation RParenLoc, MultiExprArg Args, |
| 5133 | AtomicExpr::AtomicOp Op, |
| 5134 | AtomicArgumentOrder ArgOrder) { |
| 5135 | // All the non-OpenCL operations take one of the following forms. |
| 5136 | // The OpenCL operations take the __c11 forms with one extra argument for |
| 5137 | // synchronization scope. |
| 5138 | enum { |
| 5139 | // C __c11_atomic_init(A *, C) |
| 5140 | Init, |
| 5141 | |
| 5142 | // C __c11_atomic_load(A *, int) |
| 5143 | Load, |
| 5144 | |
| 5145 | // void __atomic_load(A *, CP, int) |
| 5146 | LoadCopy, |
| 5147 | |
| 5148 | // void __atomic_store(A *, CP, int) |
| 5149 | Copy, |
| 5150 | |
| 5151 | // C __c11_atomic_add(A *, M, int) |
| 5152 | Arithmetic, |
| 5153 | |
| 5154 | // C __atomic_exchange_n(A *, CP, int) |
| 5155 | Xchg, |
| 5156 | |
| 5157 | // void __atomic_exchange(A *, C *, CP, int) |
| 5158 | GNUXchg, |
| 5159 | |
| 5160 | // bool __c11_atomic_compare_exchange_strong(A *, C *, CP, int, int) |
| 5161 | C11CmpXchg, |
| 5162 | |
| 5163 | // bool __atomic_compare_exchange(A *, C *, CP, bool, int, int) |
| 5164 | GNUCmpXchg |
| 5165 | } Form = Init; |
| 5166 | |
| 5167 | const unsigned NumForm = GNUCmpXchg + 1; |
| 5168 | const unsigned NumArgs[] = { 2, 2, 3, 3, 3, 3, 4, 5, 6 }; |
| 5169 | const unsigned NumVals[] = { 1, 0, 1, 1, 1, 1, 2, 2, 3 }; |
| 5170 | // where: |
| 5171 | // C is an appropriate type, |
| 5172 | // A is volatile _Atomic(C) for __c11 builtins and is C for GNU builtins, |
| 5173 | // CP is C for __c11 builtins and GNU _n builtins and is C * otherwise, |
| 5174 | // M is C if C is an integer, and ptrdiff_t if C is a pointer, and |
| 5175 | // the int parameters are for orderings. |
| 5176 | |
| 5177 | static_assert(sizeof(NumArgs)/sizeof(NumArgs[0]) == NumForm |
| 5178 | && sizeof(NumVals)/sizeof(NumVals[0]) == NumForm, |
| 5179 | "need to update code for modified forms"); |
| 5180 | static_assert(AtomicExpr::AO__c11_atomic_init == 0 && |
| 5181 | AtomicExpr::AO__c11_atomic_fetch_min + 1 == |
| 5182 | AtomicExpr::AO__atomic_load, |
| 5183 | "need to update code for modified C11 atomics"); |
| 5184 | bool IsOpenCL = Op >= AtomicExpr::AO__opencl_atomic_init && |
| 5185 | Op <= AtomicExpr::AO__opencl_atomic_fetch_max; |
| 5186 | bool IsC11 = (Op >= AtomicExpr::AO__c11_atomic_init && |
| 5187 | Op <= AtomicExpr::AO__c11_atomic_fetch_min) || |
| 5188 | IsOpenCL; |
| 5189 | bool IsN = Op == AtomicExpr::AO__atomic_load_n || |
| 5190 | Op == AtomicExpr::AO__atomic_store_n || |
| 5191 | Op == AtomicExpr::AO__atomic_exchange_n || |
| 5192 | Op == AtomicExpr::AO__atomic_compare_exchange_n; |
| 5193 | bool IsAddSub = false; |
| 5194 | |
| 5195 | switch (Op) { |
| 5196 | case AtomicExpr::AO__c11_atomic_init: |
| 5197 | case AtomicExpr::AO__opencl_atomic_init: |
| 5198 | Form = Init; |
| 5199 | break; |
| 5200 | |
| 5201 | case AtomicExpr::AO__c11_atomic_load: |
| 5202 | case AtomicExpr::AO__opencl_atomic_load: |
| 5203 | case AtomicExpr::AO__atomic_load_n: |
| 5204 | Form = Load; |
| 5205 | break; |
| 5206 | |
| 5207 | case AtomicExpr::AO__atomic_load: |
| 5208 | Form = LoadCopy; |
| 5209 | break; |
| 5210 | |
| 5211 | case AtomicExpr::AO__c11_atomic_store: |
| 5212 | case AtomicExpr::AO__opencl_atomic_store: |
| 5213 | case AtomicExpr::AO__atomic_store: |
| 5214 | case AtomicExpr::AO__atomic_store_n: |
| 5215 | Form = Copy; |
| 5216 | break; |
| 5217 | |
| 5218 | case AtomicExpr::AO__c11_atomic_fetch_add: |
| 5219 | case AtomicExpr::AO__c11_atomic_fetch_sub: |
| 5220 | case AtomicExpr::AO__opencl_atomic_fetch_add: |
| 5221 | case AtomicExpr::AO__opencl_atomic_fetch_sub: |
| 5222 | case AtomicExpr::AO__atomic_fetch_add: |
| 5223 | case AtomicExpr::AO__atomic_fetch_sub: |
| 5224 | case AtomicExpr::AO__atomic_add_fetch: |
| 5225 | case AtomicExpr::AO__atomic_sub_fetch: |
| 5226 | IsAddSub = true; |
| 5227 | Form = Arithmetic; |
| 5228 | break; |
| 5229 | case AtomicExpr::AO__c11_atomic_fetch_and: |
| 5230 | case AtomicExpr::AO__c11_atomic_fetch_or: |
| 5231 | case AtomicExpr::AO__c11_atomic_fetch_xor: |
| 5232 | case AtomicExpr::AO__opencl_atomic_fetch_and: |
| 5233 | case AtomicExpr::AO__opencl_atomic_fetch_or: |
| 5234 | case AtomicExpr::AO__opencl_atomic_fetch_xor: |
| 5235 | case AtomicExpr::AO__atomic_fetch_and: |
| 5236 | case AtomicExpr::AO__atomic_fetch_or: |
| 5237 | case AtomicExpr::AO__atomic_fetch_xor: |
| 5238 | case AtomicExpr::AO__atomic_fetch_nand: |
| 5239 | case AtomicExpr::AO__atomic_and_fetch: |
| 5240 | case AtomicExpr::AO__atomic_or_fetch: |
| 5241 | case AtomicExpr::AO__atomic_xor_fetch: |
| 5242 | case AtomicExpr::AO__atomic_nand_fetch: |
| 5243 | Form = Arithmetic; |
| 5244 | break; |
| 5245 | case AtomicExpr::AO__c11_atomic_fetch_min: |
| 5246 | case AtomicExpr::AO__c11_atomic_fetch_max: |
| 5247 | case AtomicExpr::AO__opencl_atomic_fetch_min: |
| 5248 | case AtomicExpr::AO__opencl_atomic_fetch_max: |
| 5249 | case AtomicExpr::AO__atomic_min_fetch: |
| 5250 | case AtomicExpr::AO__atomic_max_fetch: |
| 5251 | case AtomicExpr::AO__atomic_fetch_min: |
| 5252 | case AtomicExpr::AO__atomic_fetch_max: |
| 5253 | Form = Arithmetic; |
| 5254 | break; |
| 5255 | |
| 5256 | case AtomicExpr::AO__c11_atomic_exchange: |
| 5257 | case AtomicExpr::AO__opencl_atomic_exchange: |
| 5258 | case AtomicExpr::AO__atomic_exchange_n: |
| 5259 | Form = Xchg; |
| 5260 | break; |
| 5261 | |
| 5262 | case AtomicExpr::AO__atomic_exchange: |
| 5263 | Form = GNUXchg; |
| 5264 | break; |
| 5265 | |
| 5266 | case AtomicExpr::AO__c11_atomic_compare_exchange_strong: |
| 5267 | case AtomicExpr::AO__c11_atomic_compare_exchange_weak: |
| 5268 | case AtomicExpr::AO__opencl_atomic_compare_exchange_strong: |
| 5269 | case AtomicExpr::AO__opencl_atomic_compare_exchange_weak: |
| 5270 | Form = C11CmpXchg; |
| 5271 | break; |
| 5272 | |
| 5273 | case AtomicExpr::AO__atomic_compare_exchange: |
| 5274 | case AtomicExpr::AO__atomic_compare_exchange_n: |
| 5275 | Form = GNUCmpXchg; |
| 5276 | break; |
| 5277 | } |
| 5278 | |
| 5279 | unsigned AdjustedNumArgs = NumArgs[Form]; |
| 5280 | if (IsOpenCL && Op != AtomicExpr::AO__opencl_atomic_init) |
| 5281 | ++AdjustedNumArgs; |
| 5282 | // Check we have the right number of arguments. |
| 5283 | if (Args.size() < AdjustedNumArgs) { |
| 5284 | Diag(CallRange.getEnd(), diag::err_typecheck_call_too_few_args) |
| 5285 | << 0 << AdjustedNumArgs << static_cast<unsigned>(Args.size()) |
| 5286 | << ExprRange; |
| 5287 | return ExprError(); |
| 5288 | } else if (Args.size() > AdjustedNumArgs) { |
| 5289 | Diag(Args[AdjustedNumArgs]->getBeginLoc(), |
| 5290 | diag::err_typecheck_call_too_many_args) |
| 5291 | << 0 << AdjustedNumArgs << static_cast<unsigned>(Args.size()) |
| 5292 | << ExprRange; |
| 5293 | return ExprError(); |
| 5294 | } |
| 5295 | |
| 5296 | // Inspect the first argument of the atomic operation. |
| 5297 | Expr *Ptr = Args[0]; |
| 5298 | ExprResult ConvertedPtr = DefaultFunctionArrayLvalueConversion(Ptr); |
| 5299 | if (ConvertedPtr.isInvalid()) |
| 5300 | return ExprError(); |
| 5301 | |
| 5302 | Ptr = ConvertedPtr.get(); |
| 5303 | const PointerType *pointerType = Ptr->getType()->getAs<PointerType>(); |
| 5304 | if (!pointerType) { |
| 5305 | Diag(ExprRange.getBegin(), diag::err_atomic_builtin_must_be_pointer) |
| 5306 | << Ptr->getType() << Ptr->getSourceRange(); |
| 5307 | return ExprError(); |
| 5308 | } |
| 5309 | |
| 5310 | // For a __c11 builtin, this should be a pointer to an _Atomic type. |
| 5311 | QualType AtomTy = pointerType->getPointeeType(); // 'A' |
| 5312 | QualType ValType = AtomTy; // 'C' |
| 5313 | if (IsC11) { |
| 5314 | if (!AtomTy->isAtomicType()) { |
| 5315 | Diag(ExprRange.getBegin(), diag::err_atomic_op_needs_atomic) |
| 5316 | << Ptr->getType() << Ptr->getSourceRange(); |
| 5317 | return ExprError(); |
| 5318 | } |
| 5319 | if ((Form != Load && Form != LoadCopy && AtomTy.isConstQualified()) || |
| 5320 | AtomTy.getAddressSpace() == LangAS::opencl_constant) { |
| 5321 | Diag(ExprRange.getBegin(), diag::err_atomic_op_needs_non_const_atomic) |
| 5322 | << (AtomTy.isConstQualified() ? 0 : 1) << Ptr->getType() |
| 5323 | << Ptr->getSourceRange(); |
| 5324 | return ExprError(); |
| 5325 | } |
| 5326 | ValType = AtomTy->castAs<AtomicType>()->getValueType(); |
| 5327 | } else if (Form != Load && Form != LoadCopy) { |
| 5328 | if (ValType.isConstQualified()) { |
| 5329 | Diag(ExprRange.getBegin(), diag::err_atomic_op_needs_non_const_pointer) |
| 5330 | << Ptr->getType() << Ptr->getSourceRange(); |
| 5331 | return ExprError(); |
| 5332 | } |
| 5333 | } |
| 5334 | |
| 5335 | // For an arithmetic operation, the implied arithmetic must be well-formed. |
| 5336 | if (Form == Arithmetic) { |
| 5337 | // gcc does not enforce these rules for GNU atomics, but we do so for |
| 5338 | // sanity. |
| 5339 | auto IsAllowedValueType = [&](QualType ValType) { |
| 5340 | if (ValType->isIntegerType()) |
| 5341 | return true; |
| 5342 | if (ValType->isPointerType()) |
| 5343 | return true; |
| 5344 | if (!ValType->isFloatingType()) |
| 5345 | return false; |
| 5346 | // LLVM Parser does not allow atomicrmw with x86_fp80 type. |
| 5347 | if (ValType->isSpecificBuiltinType(BuiltinType::LongDouble) && |
| 5348 | &Context.getTargetInfo().getLongDoubleFormat() == |
| 5349 | &llvm::APFloat::x87DoubleExtended()) |
| 5350 | return false; |
| 5351 | return true; |
| 5352 | }; |
| 5353 | if (IsAddSub && !IsAllowedValueType(ValType)) { |
| 5354 | Diag(ExprRange.getBegin(), diag::err_atomic_op_needs_atomic_int_ptr_or_fp) |
| 5355 | << IsC11 << Ptr->getType() << Ptr->getSourceRange(); |
| 5356 | return ExprError(); |
| 5357 | } |
| 5358 | if (!IsAddSub && !ValType->isIntegerType()) { |
| 5359 | Diag(ExprRange.getBegin(), diag::err_atomic_op_needs_atomic_int) |
| 5360 | << IsC11 << Ptr->getType() << Ptr->getSourceRange(); |
| 5361 | return ExprError(); |
| 5362 | } |
| 5363 | if (IsC11 && ValType->isPointerType() && |
| 5364 | RequireCompleteType(Ptr->getBeginLoc(), ValType->getPointeeType(), |
| 5365 | diag::err_incomplete_type)) { |
| 5366 | return ExprError(); |
| 5367 | } |
| 5368 | } else if (IsN && !ValType->isIntegerType() && !ValType->isPointerType()) { |
| 5369 | // For __atomic_*_n operations, the value type must be a scalar integral or |
| 5370 | // pointer type which is 1, 2, 4, 8 or 16 bytes in length. |
| 5371 | Diag(ExprRange.getBegin(), diag::err_atomic_op_needs_atomic_int_or_ptr) |
| 5372 | << IsC11 << Ptr->getType() << Ptr->getSourceRange(); |
| 5373 | return ExprError(); |
| 5374 | } |
| 5375 | |
| 5376 | if (!IsC11 && !AtomTy.isTriviallyCopyableType(Context) && |
| 5377 | !AtomTy->isScalarType()) { |
| 5378 | // For GNU atomics, require a trivially-copyable type. This is not part of |
| 5379 | // the GNU atomics specification, but we enforce it for sanity. |
| 5380 | Diag(ExprRange.getBegin(), diag::err_atomic_op_needs_trivial_copy) |
| 5381 | << Ptr->getType() << Ptr->getSourceRange(); |
| 5382 | return ExprError(); |
| 5383 | } |
| 5384 | |
| 5385 | switch (ValType.getObjCLifetime()) { |
| 5386 | case Qualifiers::OCL_None: |
| 5387 | case Qualifiers::OCL_ExplicitNone: |
| 5388 | // okay |
| 5389 | break; |
| 5390 | |
| 5391 | case Qualifiers::OCL_Weak: |
| 5392 | case Qualifiers::OCL_Strong: |
| 5393 | case Qualifiers::OCL_Autoreleasing: |
| 5394 | // FIXME: Can this happen? By this point, ValType should be known |
| 5395 | // to be trivially copyable. |
| 5396 | Diag(ExprRange.getBegin(), diag::err_arc_atomic_ownership) |
| 5397 | << ValType << Ptr->getSourceRange(); |
| 5398 | return ExprError(); |
| 5399 | } |
| 5400 | |
| 5401 | // All atomic operations have an overload which takes a pointer to a volatile |
| 5402 | // 'A'. We shouldn't let the volatile-ness of the pointee-type inject itself |
| 5403 | // into the result or the other operands. Similarly atomic_load takes a |
| 5404 | // pointer to a const 'A'. |
| 5405 | ValType.removeLocalVolatile(); |
| 5406 | ValType.removeLocalConst(); |
| 5407 | QualType ResultType = ValType; |
| 5408 | if (Form == Copy || Form == LoadCopy || Form == GNUXchg || |
| 5409 | Form == Init) |
| 5410 | ResultType = Context.VoidTy; |
| 5411 | else if (Form == C11CmpXchg || Form == GNUCmpXchg) |
| 5412 | ResultType = Context.BoolTy; |
| 5413 | |
| 5414 | // The type of a parameter passed 'by value'. In the GNU atomics, such |
| 5415 | // arguments are actually passed as pointers. |
| 5416 | QualType ByValType = ValType; // 'CP' |
| 5417 | bool IsPassedByAddress = false; |
| 5418 | if (!IsC11 && !IsN) { |
| 5419 | ByValType = Ptr->getType(); |
| 5420 | IsPassedByAddress = true; |
| 5421 | } |
| 5422 | |
| 5423 | SmallVector<Expr *, 5> APIOrderedArgs; |
| 5424 | if (ArgOrder == Sema::AtomicArgumentOrder::AST) { |
| 5425 | APIOrderedArgs.push_back(Args[0]); |
| 5426 | switch (Form) { |
| 5427 | case Init: |
| 5428 | case Load: |
| 5429 | APIOrderedArgs.push_back(Args[1]); // Val1/Order |
| 5430 | break; |
| 5431 | case LoadCopy: |
| 5432 | case Copy: |
| 5433 | case Arithmetic: |
| 5434 | case Xchg: |
| 5435 | APIOrderedArgs.push_back(Args[2]); // Val1 |
| 5436 | APIOrderedArgs.push_back(Args[1]); // Order |
| 5437 | break; |
| 5438 | case GNUXchg: |
| 5439 | APIOrderedArgs.push_back(Args[2]); // Val1 |
| 5440 | APIOrderedArgs.push_back(Args[3]); // Val2 |
| 5441 | APIOrderedArgs.push_back(Args[1]); // Order |
| 5442 | break; |
| 5443 | case C11CmpXchg: |
| 5444 | APIOrderedArgs.push_back(Args[2]); // Val1 |
| 5445 | APIOrderedArgs.push_back(Args[4]); // Val2 |
| 5446 | APIOrderedArgs.push_back(Args[1]); // Order |
| 5447 | APIOrderedArgs.push_back(Args[3]); // OrderFail |
| 5448 | break; |
| 5449 | case GNUCmpXchg: |
| 5450 | APIOrderedArgs.push_back(Args[2]); // Val1 |
| 5451 | APIOrderedArgs.push_back(Args[4]); // Val2 |
| 5452 | APIOrderedArgs.push_back(Args[5]); // Weak |
| 5453 | APIOrderedArgs.push_back(Args[1]); // Order |
| 5454 | APIOrderedArgs.push_back(Args[3]); // OrderFail |
| 5455 | break; |
| 5456 | } |
| 5457 | } else |
| 5458 | APIOrderedArgs.append(Args.begin(), Args.end()); |
| 5459 | |
| 5460 | // The first argument's non-CV pointer type is used to deduce the type of |
| 5461 | // subsequent arguments, except for: |
| 5462 | // - weak flag (always converted to bool) |
| 5463 | // - memory order (always converted to int) |
| 5464 | // - scope (always converted to int) |
| 5465 | for (unsigned i = 0; i != APIOrderedArgs.size(); ++i) { |
| 5466 | QualType Ty; |
| 5467 | if (i < NumVals[Form] + 1) { |
| 5468 | switch (i) { |
| 5469 | case 0: |
| 5470 | // The first argument is always a pointer. It has a fixed type. |
| 5471 | // It is always dereferenced, a nullptr is undefined. |
| 5472 | CheckNonNullArgument(*this, APIOrderedArgs[i], ExprRange.getBegin()); |
| 5473 | // Nothing else to do: we already know all we want about this pointer. |
| 5474 | continue; |
| 5475 | case 1: |
| 5476 | // The second argument is the non-atomic operand. For arithmetic, this |
| 5477 | // is always passed by value, and for a compare_exchange it is always |
| 5478 | // passed by address. For the rest, GNU uses by-address and C11 uses |
| 5479 | // by-value. |
| 5480 | assert(Form != Load)((void)0); |
| 5481 | if (Form == Arithmetic && ValType->isPointerType()) |
| 5482 | Ty = Context.getPointerDiffType(); |
| 5483 | else if (Form == Init || Form == Arithmetic) |
| 5484 | Ty = ValType; |
| 5485 | else if (Form == Copy || Form == Xchg) { |
| 5486 | if (IsPassedByAddress) { |
| 5487 | // The value pointer is always dereferenced, a nullptr is undefined. |
| 5488 | CheckNonNullArgument(*this, APIOrderedArgs[i], |
| 5489 | ExprRange.getBegin()); |
| 5490 | } |
| 5491 | Ty = ByValType; |
| 5492 | } else { |
| 5493 | Expr *ValArg = APIOrderedArgs[i]; |
| 5494 | // The value pointer is always dereferenced, a nullptr is undefined. |
| 5495 | CheckNonNullArgument(*this, ValArg, ExprRange.getBegin()); |
| 5496 | LangAS AS = LangAS::Default; |
| 5497 | // Keep address space of non-atomic pointer type. |
| 5498 | if (const PointerType *PtrTy = |
| 5499 | ValArg->getType()->getAs<PointerType>()) { |
| 5500 | AS = PtrTy->getPointeeType().getAddressSpace(); |
| 5501 | } |
| 5502 | Ty = Context.getPointerType( |
| 5503 | Context.getAddrSpaceQualType(ValType.getUnqualifiedType(), AS)); |
| 5504 | } |
| 5505 | break; |
| 5506 | case 2: |
| 5507 | // The third argument to compare_exchange / GNU exchange is the desired |
| 5508 | // value, either by-value (for the C11 and *_n variant) or as a pointer. |
| 5509 | if (IsPassedByAddress) |
| 5510 | CheckNonNullArgument(*this, APIOrderedArgs[i], ExprRange.getBegin()); |
| 5511 | Ty = ByValType; |
| 5512 | break; |
| 5513 | case 3: |
| 5514 | // The fourth argument to GNU compare_exchange is a 'weak' flag. |
| 5515 | Ty = Context.BoolTy; |
| 5516 | break; |
| 5517 | } |
| 5518 | } else { |
| 5519 | // The order(s) and scope are always converted to int. |
| 5520 | Ty = Context.IntTy; |
| 5521 | } |
| 5522 | |
| 5523 | InitializedEntity Entity = |
| 5524 | InitializedEntity::InitializeParameter(Context, Ty, false); |
| 5525 | ExprResult Arg = APIOrderedArgs[i]; |
| 5526 | Arg = PerformCopyInitialization(Entity, SourceLocation(), Arg); |
| 5527 | if (Arg.isInvalid()) |
| 5528 | return true; |
| 5529 | APIOrderedArgs[i] = Arg.get(); |
| 5530 | } |
| 5531 | |
| 5532 | // Permute the arguments into a 'consistent' order. |
| 5533 | SmallVector<Expr*, 5> SubExprs; |
| 5534 | SubExprs.push_back(Ptr); |
| 5535 | switch (Form) { |
| 5536 | case Init: |
| 5537 | // Note, AtomicExpr::getVal1() has a special case for this atomic. |
| 5538 | SubExprs.push_back(APIOrderedArgs[1]); // Val1 |
| 5539 | break; |
| 5540 | case Load: |
| 5541 | SubExprs.push_back(APIOrderedArgs[1]); // Order |
| 5542 | break; |
| 5543 | case LoadCopy: |
| 5544 | case Copy: |
| 5545 | case Arithmetic: |
| 5546 | case Xchg: |
| 5547 | SubExprs.push_back(APIOrderedArgs[2]); // Order |
| 5548 | SubExprs.push_back(APIOrderedArgs[1]); // Val1 |
| 5549 | break; |
| 5550 | case GNUXchg: |
| 5551 | // Note, AtomicExpr::getVal2() has a special case for this atomic. |
| 5552 | SubExprs.push_back(APIOrderedArgs[3]); // Order |
| 5553 | SubExprs.push_back(APIOrderedArgs[1]); // Val1 |
| 5554 | SubExprs.push_back(APIOrderedArgs[2]); // Val2 |
| 5555 | break; |
| 5556 | case C11CmpXchg: |
| 5557 | SubExprs.push_back(APIOrderedArgs[3]); // Order |
| 5558 | SubExprs.push_back(APIOrderedArgs[1]); // Val1 |
| 5559 | SubExprs.push_back(APIOrderedArgs[4]); // OrderFail |
| 5560 | SubExprs.push_back(APIOrderedArgs[2]); // Val2 |
| 5561 | break; |
| 5562 | case GNUCmpXchg: |
| 5563 | SubExprs.push_back(APIOrderedArgs[4]); // Order |
| 5564 | SubExprs.push_back(APIOrderedArgs[1]); // Val1 |
| 5565 | SubExprs.push_back(APIOrderedArgs[5]); // OrderFail |
| 5566 | SubExprs.push_back(APIOrderedArgs[2]); // Val2 |
| 5567 | SubExprs.push_back(APIOrderedArgs[3]); // Weak |
| 5568 | break; |
| 5569 | } |
| 5570 | |
| 5571 | if (SubExprs.size() >= 2 && Form != Init) { |
| 5572 | if (Optional<llvm::APSInt> Result = |
| 5573 | SubExprs[1]->getIntegerConstantExpr(Context)) |
| 5574 | if (!isValidOrderingForOp(Result->getSExtValue(), Op)) |
| 5575 | Diag(SubExprs[1]->getBeginLoc(), |
| 5576 | diag::warn_atomic_op_has_invalid_memory_order) |
| 5577 | << SubExprs[1]->getSourceRange(); |
| 5578 | } |
| 5579 | |
| 5580 | if (auto ScopeModel = AtomicExpr::getScopeModel(Op)) { |
| 5581 | auto *Scope = Args[Args.size() - 1]; |
| 5582 | if (Optional<llvm::APSInt> Result = |
| 5583 | Scope->getIntegerConstantExpr(Context)) { |
| 5584 | if (!ScopeModel->isValid(Result->getZExtValue())) |
| 5585 | Diag(Scope->getBeginLoc(), diag::err_atomic_op_has_invalid_synch_scope) |
| 5586 | << Scope->getSourceRange(); |
| 5587 | } |
| 5588 | SubExprs.push_back(Scope); |
| 5589 | } |
| 5590 | |
| 5591 | AtomicExpr *AE = new (Context) |
| 5592 | AtomicExpr(ExprRange.getBegin(), SubExprs, ResultType, Op, RParenLoc); |
| 5593 | |
| 5594 | if ((Op == AtomicExpr::AO__c11_atomic_load || |
| 5595 | Op == AtomicExpr::AO__c11_atomic_store || |
| 5596 | Op == AtomicExpr::AO__opencl_atomic_load || |
| 5597 | Op == AtomicExpr::AO__opencl_atomic_store ) && |
| 5598 | Context.AtomicUsesUnsupportedLibcall(AE)) |
| 5599 | Diag(AE->getBeginLoc(), diag::err_atomic_load_store_uses_lib) |
| 5600 | << ((Op == AtomicExpr::AO__c11_atomic_load || |
| 5601 | Op == AtomicExpr::AO__opencl_atomic_load) |
| 5602 | ? 0 |
| 5603 | : 1); |
| 5604 | |
| 5605 | if (ValType->isExtIntType()) { |
| 5606 | Diag(Ptr->getExprLoc(), diag::err_atomic_builtin_ext_int_prohibit); |
| 5607 | return ExprError(); |
| 5608 | } |
| 5609 | |
| 5610 | return AE; |
| 5611 | } |
| 5612 | |
| 5613 | /// checkBuiltinArgument - Given a call to a builtin function, perform |
| 5614 | /// normal type-checking on the given argument, updating the call in |
| 5615 | /// place. This is useful when a builtin function requires custom |
| 5616 | /// type-checking for some of its arguments but not necessarily all of |
| 5617 | /// them. |
| 5618 | /// |
| 5619 | /// Returns true on error. |
| 5620 | static bool checkBuiltinArgument(Sema &S, CallExpr *E, unsigned ArgIndex) { |
| 5621 | FunctionDecl *Fn = E->getDirectCallee(); |
| 5622 | assert(Fn && "builtin call without direct callee!")((void)0); |
| 5623 | |
| 5624 | ParmVarDecl *Param = Fn->getParamDecl(ArgIndex); |
| 5625 | InitializedEntity Entity = |
| 5626 | InitializedEntity::InitializeParameter(S.Context, Param); |
| 5627 | |
| 5628 | ExprResult Arg = E->getArg(0); |
| 5629 | Arg = S.PerformCopyInitialization(Entity, SourceLocation(), Arg); |
| 5630 | if (Arg.isInvalid()) |
| 5631 | return true; |
| 5632 | |
| 5633 | E->setArg(ArgIndex, Arg.get()); |
| 5634 | return false; |
| 5635 | } |
| 5636 | |
| 5637 | /// We have a call to a function like __sync_fetch_and_add, which is an |
| 5638 | /// overloaded function based on the pointer type of its first argument. |
| 5639 | /// The main BuildCallExpr routines have already promoted the types of |
| 5640 | /// arguments because all of these calls are prototyped as void(...). |
| 5641 | /// |
| 5642 | /// This function goes through and does final semantic checking for these |
| 5643 | /// builtins, as well as generating any warnings. |
| 5644 | ExprResult |
| 5645 | Sema::SemaBuiltinAtomicOverloaded(ExprResult TheCallResult) { |
| 5646 | CallExpr *TheCall = static_cast<CallExpr *>(TheCallResult.get()); |
| 5647 | Expr *Callee = TheCall->getCallee(); |
| 5648 | DeclRefExpr *DRE = cast<DeclRefExpr>(Callee->IgnoreParenCasts()); |
| 5649 | FunctionDecl *FDecl = cast<FunctionDecl>(DRE->getDecl()); |
| 5650 | |
| 5651 | // Ensure that we have at least one argument to do type inference from. |
| 5652 | if (TheCall->getNumArgs() < 1) { |
| 5653 | Diag(TheCall->getEndLoc(), diag::err_typecheck_call_too_few_args_at_least) |
| 5654 | << 0 << 1 << TheCall->getNumArgs() << Callee->getSourceRange(); |
| 5655 | return ExprError(); |
| 5656 | } |
| 5657 | |
| 5658 | // Inspect the first argument of the atomic builtin. This should always be |
| 5659 | // a pointer type, whose element is an integral scalar or pointer type. |
| 5660 | // Because it is a pointer type, we don't have to worry about any implicit |
| 5661 | // casts here. |
| 5662 | // FIXME: We don't allow floating point scalars as input. |
| 5663 | Expr *FirstArg = TheCall->getArg(0); |
| 5664 | ExprResult FirstArgResult = DefaultFunctionArrayLvalueConversion(FirstArg); |
| 5665 | if (FirstArgResult.isInvalid()) |
| 5666 | return ExprError(); |
| 5667 | FirstArg = FirstArgResult.get(); |
| 5668 | TheCall->setArg(0, FirstArg); |
| 5669 | |
| 5670 | const PointerType *pointerType = FirstArg->getType()->getAs<PointerType>(); |
| 5671 | if (!pointerType) { |
| 5672 | Diag(DRE->getBeginLoc(), diag::err_atomic_builtin_must_be_pointer) |
| 5673 | << FirstArg->getType() << FirstArg->getSourceRange(); |
| 5674 | return ExprError(); |
| 5675 | } |
| 5676 | |
| 5677 | QualType ValType = pointerType->getPointeeType(); |
| 5678 | if (!ValType->isIntegerType() && !ValType->isAnyPointerType() && |
| 5679 | !ValType->isBlockPointerType()) { |
| 5680 | Diag(DRE->getBeginLoc(), diag::err_atomic_builtin_must_be_pointer_intptr) |
| 5681 | << FirstArg->getType() << FirstArg->getSourceRange(); |
| 5682 | return ExprError(); |
| 5683 | } |
| 5684 | |
| 5685 | if (ValType.isConstQualified()) { |
| 5686 | Diag(DRE->getBeginLoc(), diag::err_atomic_builtin_cannot_be_const) |
| 5687 | << FirstArg->getType() << FirstArg->getSourceRange(); |
| 5688 | return ExprError(); |
| 5689 | } |
| 5690 | |
| 5691 | switch (ValType.getObjCLifetime()) { |
| 5692 | case Qualifiers::OCL_None: |
| 5693 | case Qualifiers::OCL_ExplicitNone: |
| 5694 | // okay |
| 5695 | break; |
| 5696 | |
| 5697 | case Qualifiers::OCL_Weak: |
| 5698 | case Qualifiers::OCL_Strong: |
| 5699 | case Qualifiers::OCL_Autoreleasing: |
| 5700 | Diag(DRE->getBeginLoc(), diag::err_arc_atomic_ownership) |
| 5701 | << ValType << FirstArg->getSourceRange(); |
| 5702 | return ExprError(); |
| 5703 | } |
| 5704 | |
| 5705 | // Strip any qualifiers off ValType. |
| 5706 | ValType = ValType.getUnqualifiedType(); |
| 5707 | |
| 5708 | // The majority of builtins return a value, but a few have special return |
| 5709 | // types, so allow them to override appropriately below. |
| 5710 | QualType ResultType = ValType; |
| 5711 | |
| 5712 | // We need to figure out which concrete builtin this maps onto. For example, |
| 5713 | // __sync_fetch_and_add with a 2 byte object turns into |
| 5714 | // __sync_fetch_and_add_2. |
| 5715 | #define BUILTIN_ROW(x) \ |
| 5716 | { Builtin::BI##x##_1, Builtin::BI##x##_2, Builtin::BI##x##_4, \ |
| 5717 | Builtin::BI##x##_8, Builtin::BI##x##_16 } |
| 5718 | |
| 5719 | static const unsigned BuiltinIndices[][5] = { |
| 5720 | BUILTIN_ROW(__sync_fetch_and_add), |
| 5721 | BUILTIN_ROW(__sync_fetch_and_sub), |
| 5722 | BUILTIN_ROW(__sync_fetch_and_or), |
| 5723 | BUILTIN_ROW(__sync_fetch_and_and), |
| 5724 | BUILTIN_ROW(__sync_fetch_and_xor), |
| 5725 | BUILTIN_ROW(__sync_fetch_and_nand), |
| 5726 | |
| 5727 | BUILTIN_ROW(__sync_add_and_fetch), |
| 5728 | BUILTIN_ROW(__sync_sub_and_fetch), |
| 5729 | BUILTIN_ROW(__sync_and_and_fetch), |
| 5730 | BUILTIN_ROW(__sync_or_and_fetch), |
| 5731 | BUILTIN_ROW(__sync_xor_and_fetch), |
| 5732 | BUILTIN_ROW(__sync_nand_and_fetch), |
| 5733 | |
| 5734 | BUILTIN_ROW(__sync_val_compare_and_swap), |
| 5735 | BUILTIN_ROW(__sync_bool_compare_and_swap), |
| 5736 | BUILTIN_ROW(__sync_lock_test_and_set), |
| 5737 | BUILTIN_ROW(__sync_lock_release), |
| 5738 | BUILTIN_ROW(__sync_swap) |
| 5739 | }; |
| 5740 | #undef BUILTIN_ROW |
| 5741 | |
| 5742 | // Determine the index of the size. |
| 5743 | unsigned SizeIndex; |
| 5744 | switch (Context.getTypeSizeInChars(ValType).getQuantity()) { |
| 5745 | case 1: SizeIndex = 0; break; |
| 5746 | case 2: SizeIndex = 1; break; |
| 5747 | case 4: SizeIndex = 2; break; |
| 5748 | case 8: SizeIndex = 3; break; |
| 5749 | case 16: SizeIndex = 4; break; |
| 5750 | default: |
| 5751 | Diag(DRE->getBeginLoc(), diag::err_atomic_builtin_pointer_size) |
| 5752 | << FirstArg->getType() << FirstArg->getSourceRange(); |
| 5753 | return ExprError(); |
| 5754 | } |
| 5755 | |
| 5756 | // Each of these builtins has one pointer argument, followed by some number of |
| 5757 | // values (0, 1 or 2) followed by a potentially empty varags list of stuff |
| 5758 | // that we ignore. Find out which row of BuiltinIndices to read from as well |
| 5759 | // as the number of fixed args. |
| 5760 | unsigned BuiltinID = FDecl->getBuiltinID(); |
| 5761 | unsigned BuiltinIndex, NumFixed = 1; |
| 5762 | bool WarnAboutSemanticsChange = false; |
| 5763 | switch (BuiltinID) { |
| 5764 | default: llvm_unreachable("Unknown overloaded atomic builtin!")__builtin_unreachable(); |
| 5765 | case Builtin::BI__sync_fetch_and_add: |
| 5766 | case Builtin::BI__sync_fetch_and_add_1: |
| 5767 | case Builtin::BI__sync_fetch_and_add_2: |
| 5768 | case Builtin::BI__sync_fetch_and_add_4: |
| 5769 | case Builtin::BI__sync_fetch_and_add_8: |
| 5770 | case Builtin::BI__sync_fetch_and_add_16: |
| 5771 | BuiltinIndex = 0; |
| 5772 | break; |
| 5773 | |
| 5774 | case Builtin::BI__sync_fetch_and_sub: |
| 5775 | case Builtin::BI__sync_fetch_and_sub_1: |
| 5776 | case Builtin::BI__sync_fetch_and_sub_2: |
| 5777 | case Builtin::BI__sync_fetch_and_sub_4: |
| 5778 | case Builtin::BI__sync_fetch_and_sub_8: |
| 5779 | case Builtin::BI__sync_fetch_and_sub_16: |
| 5780 | BuiltinIndex = 1; |
| 5781 | break; |
| 5782 | |
| 5783 | case Builtin::BI__sync_fetch_and_or: |
| 5784 | case Builtin::BI__sync_fetch_and_or_1: |
| 5785 | case Builtin::BI__sync_fetch_and_or_2: |
| 5786 | case Builtin::BI__sync_fetch_and_or_4: |
| 5787 | case Builtin::BI__sync_fetch_and_or_8: |
| 5788 | case Builtin::BI__sync_fetch_and_or_16: |
| 5789 | BuiltinIndex = 2; |
| 5790 | break; |
| 5791 | |
| 5792 | case Builtin::BI__sync_fetch_and_and: |
| 5793 | case Builtin::BI__sync_fetch_and_and_1: |
| 5794 | case Builtin::BI__sync_fetch_and_and_2: |
| 5795 | case Builtin::BI__sync_fetch_and_and_4: |
| 5796 | case Builtin::BI__sync_fetch_and_and_8: |
| 5797 | case Builtin::BI__sync_fetch_and_and_16: |
| 5798 | BuiltinIndex = 3; |
| 5799 | break; |
| 5800 | |
| 5801 | case Builtin::BI__sync_fetch_and_xor: |
| 5802 | case Builtin::BI__sync_fetch_and_xor_1: |
| 5803 | case Builtin::BI__sync_fetch_and_xor_2: |
| 5804 | case Builtin::BI__sync_fetch_and_xor_4: |
| 5805 | case Builtin::BI__sync_fetch_and_xor_8: |
| 5806 | case Builtin::BI__sync_fetch_and_xor_16: |
| 5807 | BuiltinIndex = 4; |
| 5808 | break; |
| 5809 | |
| 5810 | case Builtin::BI__sync_fetch_and_nand: |
| 5811 | case Builtin::BI__sync_fetch_and_nand_1: |
| 5812 | case Builtin::BI__sync_fetch_and_nand_2: |
| 5813 | case Builtin::BI__sync_fetch_and_nand_4: |
| 5814 | case Builtin::BI__sync_fetch_and_nand_8: |
| 5815 | case Builtin::BI__sync_fetch_and_nand_16: |
| 5816 | BuiltinIndex = 5; |
| 5817 | WarnAboutSemanticsChange = true; |
| 5818 | break; |
| 5819 | |
| 5820 | case Builtin::BI__sync_add_and_fetch: |
| 5821 | case Builtin::BI__sync_add_and_fetch_1: |
| 5822 | case Builtin::BI__sync_add_and_fetch_2: |
| 5823 | case Builtin::BI__sync_add_and_fetch_4: |
| 5824 | case Builtin::BI__sync_add_and_fetch_8: |
| 5825 | case Builtin::BI__sync_add_and_fetch_16: |
| 5826 | BuiltinIndex = 6; |
| 5827 | break; |
| 5828 | |
| 5829 | case Builtin::BI__sync_sub_and_fetch: |
| 5830 | case Builtin::BI__sync_sub_and_fetch_1: |
| 5831 | case Builtin::BI__sync_sub_and_fetch_2: |
| 5832 | case Builtin::BI__sync_sub_and_fetch_4: |
| 5833 | case Builtin::BI__sync_sub_and_fetch_8: |
| 5834 | case Builtin::BI__sync_sub_and_fetch_16: |
| 5835 | BuiltinIndex = 7; |
| 5836 | break; |
| 5837 | |
| 5838 | case Builtin::BI__sync_and_and_fetch: |
| 5839 | case Builtin::BI__sync_and_and_fetch_1: |
| 5840 | case Builtin::BI__sync_and_and_fetch_2: |
| 5841 | case Builtin::BI__sync_and_and_fetch_4: |
| 5842 | case Builtin::BI__sync_and_and_fetch_8: |
| 5843 | case Builtin::BI__sync_and_and_fetch_16: |
| 5844 | BuiltinIndex = 8; |
| 5845 | break; |
| 5846 | |
| 5847 | case Builtin::BI__sync_or_and_fetch: |
| 5848 | case Builtin::BI__sync_or_and_fetch_1: |
| 5849 | case Builtin::BI__sync_or_and_fetch_2: |
| 5850 | case Builtin::BI__sync_or_and_fetch_4: |
| 5851 | case Builtin::BI__sync_or_and_fetch_8: |
| 5852 | case Builtin::BI__sync_or_and_fetch_16: |
| 5853 | BuiltinIndex = 9; |
| 5854 | break; |
| 5855 | |
| 5856 | case Builtin::BI__sync_xor_and_fetch: |
| 5857 | case Builtin::BI__sync_xor_and_fetch_1: |
| 5858 | case Builtin::BI__sync_xor_and_fetch_2: |
| 5859 | case Builtin::BI__sync_xor_and_fetch_4: |
| 5860 | case Builtin::BI__sync_xor_and_fetch_8: |
| 5861 | case Builtin::BI__sync_xor_and_fetch_16: |
| 5862 | BuiltinIndex = 10; |
| 5863 | break; |
| 5864 | |
| 5865 | case Builtin::BI__sync_nand_and_fetch: |
| 5866 | case Builtin::BI__sync_nand_and_fetch_1: |
| 5867 | case Builtin::BI__sync_nand_and_fetch_2: |
| 5868 | case Builtin::BI__sync_nand_and_fetch_4: |
| 5869 | case Builtin::BI__sync_nand_and_fetch_8: |
| 5870 | case Builtin::BI__sync_nand_and_fetch_16: |
| 5871 | BuiltinIndex = 11; |
| 5872 | WarnAboutSemanticsChange = true; |
| 5873 | break; |
| 5874 | |
| 5875 | case Builtin::BI__sync_val_compare_and_swap: |
| 5876 | case Builtin::BI__sync_val_compare_and_swap_1: |
| 5877 | case Builtin::BI__sync_val_compare_and_swap_2: |
| 5878 | case Builtin::BI__sync_val_compare_and_swap_4: |
| 5879 | case Builtin::BI__sync_val_compare_and_swap_8: |
| 5880 | case Builtin::BI__sync_val_compare_and_swap_16: |
| 5881 | BuiltinIndex = 12; |
| 5882 | NumFixed = 2; |
| 5883 | break; |
| 5884 | |
| 5885 | case Builtin::BI__sync_bool_compare_and_swap: |
| 5886 | case Builtin::BI__sync_bool_compare_and_swap_1: |
| 5887 | case Builtin::BI__sync_bool_compare_and_swap_2: |
| 5888 | case Builtin::BI__sync_bool_compare_and_swap_4: |
| 5889 | case Builtin::BI__sync_bool_compare_and_swap_8: |
| 5890 | case Builtin::BI__sync_bool_compare_and_swap_16: |
| 5891 | BuiltinIndex = 13; |
| 5892 | NumFixed = 2; |
| 5893 | ResultType = Context.BoolTy; |
| 5894 | break; |
| 5895 | |
| 5896 | case Builtin::BI__sync_lock_test_and_set: |
| 5897 | case Builtin::BI__sync_lock_test_and_set_1: |
| 5898 | case Builtin::BI__sync_lock_test_and_set_2: |
| 5899 | case Builtin::BI__sync_lock_test_and_set_4: |
| 5900 | case Builtin::BI__sync_lock_test_and_set_8: |
| 5901 | case Builtin::BI__sync_lock_test_and_set_16: |
| 5902 | BuiltinIndex = 14; |
| 5903 | break; |
| 5904 | |
| 5905 | case Builtin::BI__sync_lock_release: |
| 5906 | case Builtin::BI__sync_lock_release_1: |
| 5907 | case Builtin::BI__sync_lock_release_2: |
| 5908 | case Builtin::BI__sync_lock_release_4: |
| 5909 | case Builtin::BI__sync_lock_release_8: |
| 5910 | case Builtin::BI__sync_lock_release_16: |
| 5911 | BuiltinIndex = 15; |
| 5912 | NumFixed = 0; |
| 5913 | ResultType = Context.VoidTy; |
| 5914 | break; |
| 5915 | |
| 5916 | case Builtin::BI__sync_swap: |
| 5917 | case Builtin::BI__sync_swap_1: |
| 5918 | case Builtin::BI__sync_swap_2: |
| 5919 | case Builtin::BI__sync_swap_4: |
| 5920 | case Builtin::BI__sync_swap_8: |
| 5921 | case Builtin::BI__sync_swap_16: |
| 5922 | BuiltinIndex = 16; |
| 5923 | break; |
| 5924 | } |
| 5925 | |
| 5926 | // Now that we know how many fixed arguments we expect, first check that we |
| 5927 | // have at least that many. |
| 5928 | if (TheCall->getNumArgs() < 1+NumFixed) { |
| 5929 | Diag(TheCall->getEndLoc(), diag::err_typecheck_call_too_few_args_at_least) |
| 5930 | << 0 << 1 + NumFixed << TheCall->getNumArgs() |
| 5931 | << Callee->getSourceRange(); |
| 5932 | return ExprError(); |
| 5933 | } |
| 5934 | |
| 5935 | Diag(TheCall->getEndLoc(), diag::warn_atomic_implicit_seq_cst) |
| 5936 | << Callee->getSourceRange(); |
| 5937 | |
| 5938 | if (WarnAboutSemanticsChange) { |
| 5939 | Diag(TheCall->getEndLoc(), diag::warn_sync_fetch_and_nand_semantics_change) |
| 5940 | << Callee->getSourceRange(); |
| 5941 | } |
| 5942 | |
| 5943 | // Get the decl for the concrete builtin from this, we can tell what the |
| 5944 | // concrete integer type we should convert to is. |
| 5945 | unsigned NewBuiltinID = BuiltinIndices[BuiltinIndex][SizeIndex]; |
| 5946 | const char *NewBuiltinName = Context.BuiltinInfo.getName(NewBuiltinID); |
| 5947 | FunctionDecl *NewBuiltinDecl; |
| 5948 | if (NewBuiltinID == BuiltinID) |
| 5949 | NewBuiltinDecl = FDecl; |
| 5950 | else { |
| 5951 | // Perform builtin lookup to avoid redeclaring it. |
| 5952 | DeclarationName DN(&Context.Idents.get(NewBuiltinName)); |
| 5953 | LookupResult Res(*this, DN, DRE->getBeginLoc(), LookupOrdinaryName); |
| 5954 | LookupName(Res, TUScope, /*AllowBuiltinCreation=*/true); |
| 5955 | assert(Res.getFoundDecl())((void)0); |
| 5956 | NewBuiltinDecl = dyn_cast<FunctionDecl>(Res.getFoundDecl()); |
| 5957 | if (!NewBuiltinDecl) |
| 5958 | return ExprError(); |
| 5959 | } |
| 5960 | |
| 5961 | // The first argument --- the pointer --- has a fixed type; we |
| 5962 | // deduce the types of the rest of the arguments accordingly. Walk |
| 5963 | // the remaining arguments, converting them to the deduced value type. |
| 5964 | for (unsigned i = 0; i != NumFixed; ++i) { |
| 5965 | ExprResult Arg = TheCall->getArg(i+1); |
| 5966 | |
| 5967 | // GCC does an implicit conversion to the pointer or integer ValType. This |
| 5968 | // can fail in some cases (1i -> int**), check for this error case now. |
| 5969 | // Initialize the argument. |
| 5970 | InitializedEntity Entity = InitializedEntity::InitializeParameter(Context, |
| 5971 | ValType, /*consume*/ false); |
| 5972 | Arg = PerformCopyInitialization(Entity, SourceLocation(), Arg); |
| 5973 | if (Arg.isInvalid()) |
| 5974 | return ExprError(); |
| 5975 | |
| 5976 | // Okay, we have something that *can* be converted to the right type. Check |
| 5977 | // to see if there is a potentially weird extension going on here. This can |
| 5978 | // happen when you do an atomic operation on something like an char* and |
| 5979 | // pass in 42. The 42 gets converted to char. This is even more strange |
| 5980 | // for things like 45.123 -> char, etc. |
| 5981 | // FIXME: Do this check. |
| 5982 | TheCall->setArg(i+1, Arg.get()); |
| 5983 | } |
| 5984 | |
| 5985 | // Create a new DeclRefExpr to refer to the new decl. |
| 5986 | DeclRefExpr *NewDRE = DeclRefExpr::Create( |
| 5987 | Context, DRE->getQualifierLoc(), SourceLocation(), NewBuiltinDecl, |
| 5988 | /*enclosing*/ false, DRE->getLocation(), Context.BuiltinFnTy, |
| 5989 | DRE->getValueKind(), nullptr, nullptr, DRE->isNonOdrUse()); |
| 5990 | |
| 5991 | // Set the callee in the CallExpr. |
| 5992 | // FIXME: This loses syntactic information. |
| 5993 | QualType CalleePtrTy = Context.getPointerType(NewBuiltinDecl->getType()); |
| 5994 | ExprResult PromotedCall = ImpCastExprToType(NewDRE, CalleePtrTy, |
| 5995 | CK_BuiltinFnToFnPtr); |
| 5996 | TheCall->setCallee(PromotedCall.get()); |
| 5997 | |
| 5998 | // Change the result type of the call to match the original value type. This |
| 5999 | // is arbitrary, but the codegen for these builtins ins design to handle it |
| 6000 | // gracefully. |
| 6001 | TheCall->setType(ResultType); |
| 6002 | |
| 6003 | // Prohibit use of _ExtInt with atomic builtins. |
| 6004 | // The arguments would have already been converted to the first argument's |
| 6005 | // type, so only need to check the first argument. |
| 6006 | const auto *ExtIntValType = ValType->getAs<ExtIntType>(); |
| 6007 | if (ExtIntValType && !llvm::isPowerOf2_64(ExtIntValType->getNumBits())) { |
| 6008 | Diag(FirstArg->getExprLoc(), diag::err_atomic_builtin_ext_int_size); |
| 6009 | return ExprError(); |
| 6010 | } |
| 6011 | |
| 6012 | return TheCallResult; |
| 6013 | } |
| 6014 | |
| 6015 | /// SemaBuiltinNontemporalOverloaded - We have a call to |
| 6016 | /// __builtin_nontemporal_store or __builtin_nontemporal_load, which is an |
| 6017 | /// overloaded function based on the pointer type of its last argument. |
| 6018 | /// |
| 6019 | /// This function goes through and does final semantic checking for these |
| 6020 | /// builtins. |
| 6021 | ExprResult Sema::SemaBuiltinNontemporalOverloaded(ExprResult TheCallResult) { |
| 6022 | CallExpr *TheCall = (CallExpr *)TheCallResult.get(); |
| 6023 | DeclRefExpr *DRE = |
| 6024 | cast<DeclRefExpr>(TheCall->getCallee()->IgnoreParenCasts()); |